diff --git a/examples/example_gmf_titanic.json b/examples/example_gmf_titanic.json
index 2e4a8f4c..7981bfcc 100644
--- a/examples/example_gmf_titanic.json
+++ b/examples/example_gmf_titanic.json
@@ -4,9 +4,9 @@
     "provenance": {
         "created by": {
             "name": "metasyn",
-            "version": "0.7.1.dev15+g2ce8291.d20240308"
+            "version": "1.0.1"
         },
-        "creation time": "2024-03-08T10:54:42.702163"
+        "creation time": "2024-07-11T12:03:55.877693"
     },
     "vars": [
         {
@@ -24,6 +24,9 @@
                     "lower": 1,
                     "upper": 892
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -42,6 +45,9 @@
                     "avg_sentences": 2.4691358024691357,
                     "avg_words": 4.093153759820426
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -65,6 +71,9 @@
                         0.6475869809203143
                     ]
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -84,6 +93,9 @@
                     "mean": 28.403638823278087,
                     "sd": 15.862325051407092
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -103,6 +115,9 @@
                     "mean": -380.6440825743838,
                     "sd": 12.066012048277289
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -156,6 +171,9 @@
                         ]
                     }
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -172,6 +190,9 @@
                 "parameters": {
                     "rate": 0.03052908440177665
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -221,6 +242,9 @@
                         ]
                     }
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -246,6 +270,9 @@
                         0.7244094488188977
                     ]
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -263,6 +290,9 @@
                     "lower": "1903-07-28",
                     "upper": "1940-05-27"
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -281,6 +311,9 @@
                     "upper": "18:39:28",
                     "precision": "seconds"
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -299,6 +332,9 @@
                     "upper": "2022-08-15T10:32:05",
                     "precision": "seconds"
                 }
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         },
         {
@@ -313,6 +349,9 @@
                 "class_name": "NADistribution",
                 "unique": false,
                 "parameters": {}
+            },
+            "creation_method": {
+                "created_by": "metasyn"
             }
         }
     ]
diff --git a/examples/getting_started.ipynb b/examples/getting_started.ipynb
index 9002bc95..4489256d 100644
--- a/examples/getting_started.ipynb
+++ b/examples/getting_started.ipynb
@@ -36,7 +36,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "id": "e4fae59f",
    "metadata": {},
    "outputs": [],
@@ -57,7 +57,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 1,
    "id": "2442cb34",
    "metadata": {},
    "outputs": [],
@@ -85,7 +85,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 2,
    "id": "3c2a44b7",
    "metadata": {},
    "outputs": [
@@ -99,7 +99,7 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>str</td></tr></thead><tbody><tr><td>1</td><td>&quot;Braund, Mr. Ow…</td><td>&quot;male&quot;</td><td>22</td><td>0</td><td>&quot;A/5 21171&quot;</td><td>7.25</td><td>null</td><td>&quot;S&quot;</td><td>1937-10-28</td><td>15:53:04</td><td>2022-08-05 04:43:34</td><td>null</td></tr><tr><td>2</td><td>&quot;Cumings, Mrs. …</td><td>&quot;female&quot;</td><td>38</td><td>0</td><td>&quot;PC 17599&quot;</td><td>71.2833</td><td>&quot;C85&quot;</td><td>&quot;C&quot;</td><td>null</td><td>12:26:00</td><td>2022-08-07 01:56:33</td><td>null</td></tr><tr><td>3</td><td>&quot;Heikkinen, Mis…</td><td>&quot;female&quot;</td><td>26</td><td>0</td><td>&quot;STON/O2. 31012…</td><td>7.925</td><td>null</td><td>&quot;S&quot;</td><td>1931-09-24</td><td>16:08:25</td><td>2022-08-04 20:27:37</td><td>null</td></tr><tr><td>4</td><td>&quot;Futrelle, Mrs.…</td><td>&quot;female&quot;</td><td>35</td><td>0</td><td>&quot;113803&quot;</td><td>53.1</td><td>&quot;C123&quot;</td><td>&quot;S&quot;</td><td>1936-11-30</td><td>null</td><td>2022-08-07 07:05:55</td><td>null</td></tr><tr><td>5</td><td>&quot;Allen, Mr. Wil…</td><td>&quot;male&quot;</td><td>35</td><td>0</td><td>&quot;373450&quot;</td><td>8.05</td><td>null</td><td>&quot;S&quot;</td><td>1918-11-07</td><td>10:59:08</td><td>2022-08-02 15:13:34</td><td>null</td></tr></tbody></table></div>"
+       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>str</td></tr></thead><tbody><tr><td>1</td><td>&quot;Braund, Mr. Owen Harris&quot;</td><td>&quot;male&quot;</td><td>22</td><td>0</td><td>&quot;A/5 21171&quot;</td><td>7.25</td><td>null</td><td>&quot;S&quot;</td><td>1937-10-28</td><td>15:53:04</td><td>2022-08-05 04:43:34</td><td>null</td></tr><tr><td>2</td><td>&quot;Cumings, Mrs. John Bradley (Fl…</td><td>&quot;female&quot;</td><td>38</td><td>0</td><td>&quot;PC 17599&quot;</td><td>71.2833</td><td>&quot;C85&quot;</td><td>&quot;C&quot;</td><td>null</td><td>12:26:00</td><td>2022-08-07 01:56:33</td><td>null</td></tr><tr><td>3</td><td>&quot;Heikkinen, Miss. Laina&quot;</td><td>&quot;female&quot;</td><td>26</td><td>0</td><td>&quot;STON/O2. 3101282&quot;</td><td>7.925</td><td>null</td><td>&quot;S&quot;</td><td>1931-09-24</td><td>16:08:25</td><td>2022-08-04 20:27:37</td><td>null</td></tr><tr><td>4</td><td>&quot;Futrelle, Mrs. Jacques Heath (…</td><td>&quot;female&quot;</td><td>35</td><td>0</td><td>&quot;113803&quot;</td><td>53.1</td><td>&quot;C123&quot;</td><td>&quot;S&quot;</td><td>1936-11-30</td><td>null</td><td>2022-08-07 07:05:55</td><td>null</td></tr><tr><td>5</td><td>&quot;Allen, Mr. William Henry&quot;</td><td>&quot;male&quot;</td><td>35</td><td>0</td><td>&quot;373450&quot;</td><td>8.05</td><td>null</td><td>&quot;S&quot;</td><td>1918-11-07</td><td>10:59:08</td><td>2022-08-02 15:13:34</td><td>null</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (5, 13)\n",
@@ -113,18 +113,18 @@
        "│             ┆ Owen Harris   ┆        ┆     ┆   ┆            ┆            ┆ 04:43:34     ┆        │\n",
        "│ 2           ┆ Cumings, Mrs. ┆ female ┆ 38  ┆ … ┆ null       ┆ 12:26:00   ┆ 2022-08-07   ┆ null   │\n",
        "│             ┆ John Bradley  ┆        ┆     ┆   ┆            ┆            ┆ 01:56:33     ┆        │\n",
-       "│             ┆ (Flor…        ┆        ┆     ┆   ┆            ┆            ┆              ┆        │\n",
+       "│             ┆ (Fl…          ┆        ┆     ┆   ┆            ┆            ┆              ┆        │\n",
        "│ 3           ┆ Heikkinen,    ┆ female ┆ 26  ┆ … ┆ 1931-09-24 ┆ 16:08:25   ┆ 2022-08-04   ┆ null   │\n",
        "│             ┆ Miss. Laina   ┆        ┆     ┆   ┆            ┆            ┆ 20:27:37     ┆        │\n",
        "│ 4           ┆ Futrelle,     ┆ female ┆ 35  ┆ … ┆ 1936-11-30 ┆ null       ┆ 2022-08-07   ┆ null   │\n",
        "│             ┆ Mrs. Jacques  ┆        ┆     ┆   ┆            ┆            ┆ 07:05:55     ┆        │\n",
-       "│             ┆ Heath (Li…    ┆        ┆     ┆   ┆            ┆            ┆              ┆        │\n",
+       "│             ┆ Heath (…      ┆        ┆     ┆   ┆            ┆            ┆              ┆        │\n",
        "│ 5           ┆ Allen, Mr.    ┆ male   ┆ 35  ┆ … ┆ 1918-11-07 ┆ 10:59:08   ┆ 2022-08-02   ┆ null   │\n",
        "│             ┆ William Henry ┆        ┆     ┆   ┆            ┆            ┆ 15:13:34     ┆        │\n",
        "└─────────────┴───────────────┴────────┴─────┴───┴────────────┴────────────┴──────────────┴────────┘"
       ]
      },
-     "execution_count": 3,
+     "execution_count": 2,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -153,35 +153,35 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 5,
    "id": "0a5a1aa2",
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "{'PassengerId': Int64,\n",
-       " 'Name': String,\n",
-       " 'Sex': Categorical(ordering='physical'),\n",
-       " 'Age': Int64,\n",
-       " 'Parch': Int64,\n",
-       " 'Ticket': String,\n",
-       " 'Fare': Float64,\n",
-       " 'Cabin': String,\n",
-       " 'Embarked': Categorical(ordering='physical'),\n",
-       " 'Birthday': Date,\n",
-       " 'Board time': Time,\n",
-       " 'Married since': Datetime(time_unit='us', time_zone=None),\n",
-       " 'all_NA': String}"
+       "Schema([('PassengerId', Int64),\n",
+       "        ('Name', String),\n",
+       "        ('Sex', Categorical(ordering='physical')),\n",
+       "        ('Age', Int64),\n",
+       "        ('Parch', Int64),\n",
+       "        ('Ticket', String),\n",
+       "        ('Fare', Float64),\n",
+       "        ('Cabin', String),\n",
+       "        ('Embarked', Categorical(ordering='physical')),\n",
+       "        ('Birthday', Date),\n",
+       "        ('Board time', Time),\n",
+       "        ('Married since', Datetime(time_unit='us', time_zone=None)),\n",
+       "        ('all_NA', String)])"
       ]
      },
-     "execution_count": 4,
+     "execution_count": 5,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "dict(zip(df.columns, df.dtypes))"
+    "df.schema"
    ]
   },
   {
@@ -194,7 +194,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 4,
    "id": "c72c2acb55fca193",
    "metadata": {
     "collapsed": false
@@ -210,7 +210,7 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (9, 14)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>statistic</th><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>str</td><td>f64</td><td>str</td><td>str</td><td>f64</td><td>f64</td><td>str</td><td>f64</td><td>str</td><td>str</td><td>str</td><td>str</td><td>str</td><td>str</td></tr></thead><tbody><tr><td>&quot;count&quot;</td><td>891.0</td><td>&quot;891&quot;</td><td>&quot;891&quot;</td><td>714.0</td><td>891.0</td><td>&quot;891&quot;</td><td>891.0</td><td>&quot;204&quot;</td><td>&quot;889&quot;</td><td>&quot;813&quot;</td><td>&quot;812&quot;</td><td>&quot;799&quot;</td><td>&quot;0&quot;</td></tr><tr><td>&quot;null_count&quot;</td><td>0.0</td><td>&quot;0&quot;</td><td>&quot;0&quot;</td><td>177.0</td><td>0.0</td><td>&quot;0&quot;</td><td>0.0</td><td>&quot;687&quot;</td><td>&quot;2&quot;</td><td>&quot;78&quot;</td><td>&quot;79&quot;</td><td>&quot;92&quot;</td><td>&quot;891&quot;</td></tr><tr><td>&quot;mean&quot;</td><td>446.0</td><td>null</td><td>null</td><td>29.693277</td><td>0.381594</td><td>null</td><td>32.204208</td><td>null</td><td>null</td><td>&quot;1921-07-28&quot;</td><td>&quot;14:38:10.01477…</td><td>&quot;2022-07-31 03:…</td><td>null</td></tr><tr><td>&quot;std&quot;</td><td>257.353842</td><td>null</td><td>null</td><td>14.524527</td><td>0.806057</td><td>null</td><td>49.693429</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td></tr><tr><td>&quot;min&quot;</td><td>1.0</td><td>&quot;Abbing, Mr. An…</td><td>null</td><td>0.0</td><td>0.0</td><td>&quot;110152&quot;</td><td>0.0</td><td>&quot;A10&quot;</td><td>null</td><td>&quot;1903-07-28&quot;</td><td>&quot;10:39:40&quot;</td><td>&quot;2022-07-15 12:…</td><td>null</td></tr><tr><td>&quot;25%&quot;</td><td>224.0</td><td>null</td><td>null</td><td>20.0</td><td>0.0</td><td>null</td><td>7.925</td><td>null</td><td>null</td><td>&quot;1911-09-18&quot;</td><td>&quot;12:39:02&quot;</td><td>&quot;2022-07-23 11:…</td><td>null</td></tr><tr><td>&quot;50%&quot;</td><td>446.0</td><td>null</td><td>null</td><td>28.0</td><td>0.0</td><td>null</td><td>14.4542</td><td>null</td><td>null</td><td>&quot;1922-03-26&quot;</td><td>&quot;14:29:34&quot;</td><td>&quot;2022-07-31 00:…</td><td>null</td></tr><tr><td>&quot;75%&quot;</td><td>669.0</td><td>null</td><td>null</td><td>38.0</td><td>0.0</td><td>null</td><td>31.0</td><td>null</td><td>null</td><td>&quot;1930-08-29&quot;</td><td>&quot;16:40:12&quot;</td><td>&quot;2022-08-08 03:…</td><td>null</td></tr><tr><td>&quot;max&quot;</td><td>891.0</td><td>&quot;van Melkebeke,…</td><td>null</td><td>80.0</td><td>6.0</td><td>&quot;WE/P 5735&quot;</td><td>512.3292</td><td>&quot;T&quot;</td><td>null</td><td>&quot;1940-05-27&quot;</td><td>&quot;18:39:28&quot;</td><td>&quot;2022-08-15 10:…</td><td>null</td></tr></tbody></table></div>"
+       "<small>shape: (9, 14)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>statistic</th><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>str</td><td>f64</td><td>str</td><td>str</td><td>f64</td><td>f64</td><td>str</td><td>f64</td><td>str</td><td>str</td><td>str</td><td>str</td><td>str</td><td>str</td></tr></thead><tbody><tr><td>&quot;count&quot;</td><td>891.0</td><td>&quot;891&quot;</td><td>&quot;891&quot;</td><td>714.0</td><td>891.0</td><td>&quot;891&quot;</td><td>891.0</td><td>&quot;204&quot;</td><td>&quot;889&quot;</td><td>&quot;813&quot;</td><td>&quot;812&quot;</td><td>&quot;799&quot;</td><td>&quot;0&quot;</td></tr><tr><td>&quot;null_count&quot;</td><td>0.0</td><td>&quot;0&quot;</td><td>&quot;0&quot;</td><td>177.0</td><td>0.0</td><td>&quot;0&quot;</td><td>0.0</td><td>&quot;687&quot;</td><td>&quot;2&quot;</td><td>&quot;78&quot;</td><td>&quot;79&quot;</td><td>&quot;92&quot;</td><td>&quot;891&quot;</td></tr><tr><td>&quot;mean&quot;</td><td>446.0</td><td>null</td><td>null</td><td>29.693277</td><td>0.381594</td><td>null</td><td>32.204208</td><td>null</td><td>null</td><td>&quot;1921-07-27 22:08:24.798000&quot;</td><td>&quot;14:38:10.014778&quot;</td><td>&quot;2022-07-31 03:43:48.767209&quot;</td><td>null</td></tr><tr><td>&quot;std&quot;</td><td>257.353842</td><td>null</td><td>null</td><td>14.524527</td><td>0.806057</td><td>null</td><td>49.693429</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td></tr><tr><td>&quot;min&quot;</td><td>1.0</td><td>&quot;Abbing, Mr. Anthony&quot;</td><td>null</td><td>0.0</td><td>0.0</td><td>&quot;110152&quot;</td><td>0.0</td><td>&quot;A10&quot;</td><td>null</td><td>&quot;1903-07-28&quot;</td><td>&quot;10:39:40&quot;</td><td>&quot;2022-07-15 12:21:15&quot;</td><td>null</td></tr><tr><td>&quot;25%&quot;</td><td>224.0</td><td>null</td><td>null</td><td>20.0</td><td>0.0</td><td>null</td><td>7.925</td><td>null</td><td>null</td><td>&quot;1911-09-18&quot;</td><td>&quot;12:39:02&quot;</td><td>&quot;2022-07-23 11:16:56&quot;</td><td>null</td></tr><tr><td>&quot;50%&quot;</td><td>446.0</td><td>null</td><td>null</td><td>28.0</td><td>0.0</td><td>null</td><td>14.4542</td><td>null</td><td>null</td><td>&quot;1922-03-26&quot;</td><td>&quot;14:29:34&quot;</td><td>&quot;2022-07-31 00:36:56&quot;</td><td>null</td></tr><tr><td>&quot;75%&quot;</td><td>669.0</td><td>null</td><td>null</td><td>38.0</td><td>0.0</td><td>null</td><td>31.0</td><td>null</td><td>null</td><td>&quot;1930-08-29&quot;</td><td>&quot;16:40:12&quot;</td><td>&quot;2022-08-08 03:35:52&quot;</td><td>null</td></tr><tr><td>&quot;max&quot;</td><td>891.0</td><td>&quot;van Melkebeke, Mr. Philemon&quot;</td><td>null</td><td>80.0</td><td>6.0</td><td>&quot;WE/P 5735&quot;</td><td>512.3292</td><td>&quot;T&quot;</td><td>null</td><td>&quot;1940-05-27&quot;</td><td>&quot;18:39:28&quot;</td><td>&quot;2022-08-15 10:32:05&quot;</td><td>null</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (9, 14)\n",
@@ -222,9 +222,9 @@
        "╞════════════╪═════════════╪════════════╪══════╪═══╪════════════╪════════════╪════════════╪════════╡\n",
        "│ count      ┆ 891.0       ┆ 891        ┆ 891  ┆ … ┆ 813        ┆ 812        ┆ 799        ┆ 0      │\n",
        "│ null_count ┆ 0.0         ┆ 0          ┆ 0    ┆ … ┆ 78         ┆ 79         ┆ 92         ┆ 891    │\n",
-       "│ mean       ┆ 446.0       ┆ null       ┆ null ┆ … ┆ 1921-07-28 ┆ 14:38:10.0 ┆ 2022-07-31 ┆ null   │\n",
-       "│            ┆             ┆            ┆      ┆   ┆            ┆ 14778      ┆ 03:43:48.7 ┆        │\n",
-       "│            ┆             ┆            ┆      ┆   ┆            ┆            ┆ 67208      ┆        │\n",
+       "│ mean       ┆ 446.0       ┆ null       ┆ null ┆ … ┆ 1921-07-27 ┆ 14:38:10.0 ┆ 2022-07-31 ┆ null   │\n",
+       "│            ┆             ┆            ┆      ┆   ┆ 22:08:24.7 ┆ 14778      ┆ 03:43:48.7 ┆        │\n",
+       "│            ┆             ┆            ┆      ┆   ┆ 98000      ┆            ┆ 67209      ┆        │\n",
        "│ std        ┆ 257.353842  ┆ null       ┆ null ┆ … ┆ null       ┆ null       ┆ null       ┆ null   │\n",
        "│ min        ┆ 1.0         ┆ Abbing,    ┆ null ┆ … ┆ 1903-07-28 ┆ 10:39:40   ┆ 2022-07-15 ┆ null   │\n",
        "│            ┆             ┆ Mr.        ┆      ┆   ┆            ┆            ┆ 12:21:15   ┆        │\n",
@@ -242,7 +242,7 @@
        "└────────────┴─────────────┴────────────┴──────┴───┴────────────┴────────────┴────────────┴────────┘"
       ]
      },
-     "execution_count": 5,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -287,19 +287,12 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "  0%|          | 0/13 [00:00<?, ?it/s]"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "/home/qubix/Documents/repos/metasyn/metasyn/metasyn/provider.py:288: UserWarning: \n",
-      "Variable PassengerId seems unique, but not set to be unique.\n",
-      "Set the variable to be either unique or not unique to remove this warning.\n",
-      "\n",
+      "  0%|          | 0/13 [00:00<?, ?it/s]C:\\Users\\erikj\\surfdrive\\SoDa\\projects\\synthetic_data\\metasyn\\metasyn\\provider.py:288: UserWarning: \n",
+      "Variable 'PassengerId' was detected to be unique, but has not explicitly been set to unique.\n",
+      "To generate only unique values for column 'PassengerId', set unique to True.\n",
+      "To dismiss this warning, set unique to False.\n",
       "  warnings.warn(\n",
-      "100%|██████████| 13/13 [00:04<00:00,  2.73it/s]\n"
+      "100%|██████████| 13/13 [00:13<00:00,  1.05s/it]\n"
      ]
     }
    ],
@@ -563,9 +556,9 @@
       "    \"provenance\": {\n",
       "        \"created by\": {\n",
       "            \"name\": \"metasyn\",\n",
-      "            \"version\": \"0.7.1.dev15+g2ce8291.d20240308\"\n",
+      "            \"version\": \"1.0.1\"\n",
       "        },\n",
-      "        \"creation time\": \"2024-03-08T10:54:43.429799\"\n",
+      "        \"creation time\": \"2024-07-11T12:04:20.936256\"\n",
       "    },\n",
       "    \"vars\": [\n",
       "        {\n",
@@ -583,6 +576,9 @@
       "                    \"lower\": 1,\n",
       "                    \"upper\": 892\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -601,6 +597,9 @@
       "                    \"avg_sentences\": 2.4691358024691357,\n",
       "                    \"avg_words\": 4.093153759820426\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -624,6 +623,9 @@
       "                        0.6475869809203143\n",
       "                    ]\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -643,6 +645,9 @@
       "                    \"mean\": 28.403638823278087,\n",
       "                    \"sd\": 15.862325051407092\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -662,6 +667,9 @@
       "                    \"mean\": -380.6440825743838,\n",
       "                    \"sd\": 12.066012048277289\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -715,6 +723,9 @@
       "                        ]\n",
       "                    }\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -731,6 +742,9 @@
       "                \"parameters\": {\n",
       "                    \"rate\": 0.03052908440177665\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -780,6 +794,9 @@
       "                        ]\n",
       "                    }\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -805,6 +822,9 @@
       "                        0.7244094488188977\n",
       "                    ]\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -822,6 +842,9 @@
       "                    \"lower\": \"1903-07-28\",\n",
       "                    \"upper\": \"1940-05-27\"\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -840,6 +863,9 @@
       "                    \"upper\": \"18:39:28\",\n",
       "                    \"precision\": \"seconds\"\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -858,6 +884,9 @@
       "                    \"upper\": \"2022-08-15T10:32:05\",\n",
       "                    \"precision\": \"seconds\"\n",
       "                }\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        },\n",
       "        {\n",
@@ -872,6 +901,9 @@
       "                \"class_name\": \"NADistribution\",\n",
       "                \"unique\": false,\n",
       "                \"parameters\": {}\n",
+      "            },\n",
+      "            \"creation_method\": {\n",
+      "                \"created_by\": \"metasyn\"\n",
       "            }\n",
       "        }\n",
       "    ]\n",
@@ -966,7 +998,7 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>556</td><td>&quot;No. Professor.…</td><td>&quot;male&quot;</td><td>19</td><td>0</td><td>&quot;59076&quot;</td><td>39.365498</td><td>null</td><td>&quot;S&quot;</td><td>1939-10-16</td><td>16:02:17</td><td>null</td><td>null</td></tr><tr><td>361</td><td>&quot;Writer.&quot;</td><td>&quot;female&quot;</td><td>null</td><td>0</td><td>&quot;60563&quot;</td><td>36.274039</td><td>&quot;B K11&quot;</td><td>&quot;S&quot;</td><td>1926-06-24</td><td>14:56:12</td><td>2022-07-19 22:53:27</td><td>null</td></tr><tr><td>685</td><td>&quot;Condition. Acc…</td><td>&quot;male&quot;</td><td>30</td><td>0</td><td>&quot;7749&quot;</td><td>7.960395</td><td>null</td><td>&quot;S&quot;</td><td>1913-11-26</td><td>18:34:43</td><td>2022-08-01 21:52:48</td><td>null</td></tr><tr><td>725</td><td>&quot;Water. Identif…</td><td>&quot;male&quot;</td><td>40</td><td>0</td><td>&quot;72661&quot;</td><td>58.969772</td><td>null</td><td>&quot;S&quot;</td><td>1911-10-06</td><td>12:51:42</td><td>2022-07-27 23:05:31</td><td>null</td></tr><tr><td>317</td><td>&quot;Before news.&quot;</td><td>&quot;male&quot;</td><td>46</td><td>0</td><td>&quot;539996&quot;</td><td>91.913069</td><td>null</td><td>&quot;C&quot;</td><td>1939-08-14</td><td>17:13:38</td><td>2022-07-20 19:03:40</td><td>null</td></tr></tbody></table></div>"
+       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>724</td><td>&quot;Street.&quot;</td><td>&quot;female&quot;</td><td>43</td><td>0</td><td>&quot;86225&quot;</td><td>103.760852</td><td>null</td><td>&quot;C&quot;</td><td>1916-11-18</td><td>15:57:46</td><td>2022-08-15 06:43:52</td><td>null</td></tr><tr><td>389</td><td>&quot;Poor. Tend. Loss. Fill.&quot;</td><td>&quot;male&quot;</td><td>5</td><td>1</td><td>&quot;167975&quot;</td><td>5.074021</td><td>null</td><td>&quot;S&quot;</td><td>1908-12-29</td><td>15:00:56</td><td>2022-08-04 01:26:06</td><td>null</td></tr><tr><td>128</td><td>&quot;Force.&quot;</td><td>&quot;male&quot;</td><td>37</td><td>0</td><td>&quot;50570&quot;</td><td>1.347821</td><td>null</td><td>&quot;S&quot;</td><td>1930-08-31</td><td>14:44:02</td><td>2022-07-24 23:16:53</td><td>null</td></tr><tr><td>646</td><td>&quot;Line. Enter. Financial arrive.…</td><td>&quot;female&quot;</td><td>null</td><td>0</td><td>&quot;8018&quot;</td><td>42.809746</td><td>&quot;E7&quot;</td><td>&quot;S&quot;</td><td>1934-09-21</td><td>16:26:08</td><td>2022-08-13 16:23:17</td><td>null</td></tr><tr><td>324</td><td>&quot;Tax sit. Benefit. Money.&quot;</td><td>&quot;male&quot;</td><td>27</td><td>0</td><td>&quot;803170&quot;</td><td>22.745622</td><td>null</td><td>&quot;S&quot;</td><td>1914-05-19</td><td>18:07:53</td><td>2022-07-16 14:24:41</td><td>null</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (5, 13)\n",
@@ -976,20 +1008,18 @@
        "│ i64         ┆ str          ┆ cat    ┆ i64  ┆   ┆ date       ┆ time       ┆ ---          ┆ null   │\n",
        "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ datetime[μs] ┆        │\n",
        "╞═════════════╪══════════════╪════════╪══════╪═══╪════════════╪════════════╪══════════════╪════════╡\n",
-       "│ 556         ┆ No.          ┆ male   ┆ 19   ┆ … ┆ 1939-10-16 ┆ 16:02:17   ┆ null         ┆ null   │\n",
-       "│             ┆ Professor.   ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│             ┆ Open. Black. ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│             ┆ Buil…        ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│ 361         ┆ Writer.      ┆ female ┆ null ┆ … ┆ 1926-06-24 ┆ 14:56:12   ┆ 2022-07-19   ┆ null   │\n",
-       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 22:53:27     ┆        │\n",
-       "│ 685         ┆ Condition.   ┆ male   ┆ 30   ┆ … ┆ 1913-11-26 ┆ 18:34:43   ┆ 2022-08-01   ┆ null   │\n",
-       "│             ┆ Accept.      ┆        ┆      ┆   ┆            ┆            ┆ 21:52:48     ┆        │\n",
-       "│ 725         ┆ Water.       ┆ male   ┆ 40   ┆ … ┆ 1911-10-06 ┆ 12:51:42   ┆ 2022-07-27   ┆ null   │\n",
-       "│             ┆ Identify.    ┆        ┆      ┆   ┆            ┆            ┆ 23:05:31     ┆        │\n",
-       "│             ┆ Still.       ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│             ┆ Father. …    ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│ 317         ┆ Before news. ┆ male   ┆ 46   ┆ … ┆ 1939-08-14 ┆ 17:13:38   ┆ 2022-07-20   ┆ null   │\n",
-       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 19:03:40     ┆        │\n",
+       "│ 724         ┆ Street.      ┆ female ┆ 43   ┆ … ┆ 1916-11-18 ┆ 15:57:46   ┆ 2022-08-15   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 06:43:52     ┆        │\n",
+       "│ 389         ┆ Poor. Tend.  ┆ male   ┆ 5    ┆ … ┆ 1908-12-29 ┆ 15:00:56   ┆ 2022-08-04   ┆ null   │\n",
+       "│             ┆ Loss. Fill.  ┆        ┆      ┆   ┆            ┆            ┆ 01:26:06     ┆        │\n",
+       "│ 128         ┆ Force.       ┆ male   ┆ 37   ┆ … ┆ 1930-08-31 ┆ 14:44:02   ┆ 2022-07-24   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 23:16:53     ┆        │\n",
+       "│ 646         ┆ Line. Enter. ┆ female ┆ null ┆ … ┆ 1934-09-21 ┆ 16:26:08   ┆ 2022-08-13   ┆ null   │\n",
+       "│             ┆ Financial    ┆        ┆      ┆   ┆            ┆            ┆ 16:23:17     ┆        │\n",
+       "│             ┆ arrive.…     ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
+       "│ 324         ┆ Tax sit.     ┆ male   ┆ 27   ┆ … ┆ 1914-05-19 ┆ 18:07:53   ┆ 2022-07-16   ┆ null   │\n",
+       "│             ┆ Benefit.     ┆        ┆      ┆   ┆            ┆            ┆ 14:24:41     ┆        │\n",
+       "│             ┆ Money.       ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
        "└─────────────┴──────────────┴────────┴──────┴───┴────────────┴────────────┴──────────────┴────────┘"
       ]
      },
@@ -1054,14 +1084,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "  0%|          | 0/13 [00:00<?, ?it/s]"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "100%|██████████| 13/13 [00:01<00:00,  8.55it/s]\n"
+      "100%|██████████| 13/13 [00:02<00:00,  4.93it/s]\n"
      ]
     },
     {
@@ -1076,7 +1099,8 @@
        "  'provenance': 'builtin',\n",
        "  'class_name': 'UniqueKeyDistribution',\n",
        "  'unique': True,\n",
-       "  'parameters': {'lower': 1, 'consecutive': True}}}"
+       "  'parameters': {'lower': 1, 'consecutive': True}},\n",
+       " 'creation_method': {'created_by': 'metasyn', 'unique': True}}"
       ]
      },
      "execution_count": 13,
@@ -1121,7 +1145,7 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>1</td><td>&quot;Art type.&quot;</td><td>&quot;male&quot;</td><td>55</td><td>1</td><td>&quot;96907&quot;</td><td>118.288268</td><td>null</td><td>&quot;S&quot;</td><td>1906-06-25</td><td>12:48:10</td><td>2022-08-10 14:43:26</td><td>null</td></tr><tr><td>2</td><td>&quot;Region.&quot;</td><td>&quot;male&quot;</td><td>null</td><td>0</td><td>&quot;169332&quot;</td><td>33.813913</td><td>null</td><td>&quot;S&quot;</td><td>1939-10-29</td><td>null</td><td>2022-08-13 01:06:39</td><td>null</td></tr><tr><td>3</td><td>&quot;Street million…</td><td>&quot;male&quot;</td><td>31</td><td>0</td><td>&quot;377319&quot;</td><td>4.272692</td><td>null</td><td>&quot;Q&quot;</td><td>1925-06-22</td><td>17:55:09</td><td>2022-07-29 12:36:18</td><td>null</td></tr><tr><td>4</td><td>&quot;Hair. Add.&quot;</td><td>&quot;male&quot;</td><td>13</td><td>1</td><td>&quot;350677&quot;</td><td>46.150286</td><td>&quot;E8 &quot;</td><td>&quot;S&quot;</td><td>1937-01-16</td><td>14:20:12</td><td>2022-07-20 21:05:03</td><td>null</td></tr><tr><td>5</td><td>&quot;Enter performa…</td><td>&quot;female&quot;</td><td>34</td><td>0</td><td>&quot;0465&quot;</td><td>31.544553</td><td>null</td><td>&quot;S&quot;</td><td>1937-04-09</td><td>12:48:26</td><td>2022-07-30 05:30:37</td><td>null</td></tr></tbody></table></div>"
+       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>null</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>1</td><td>&quot;Officer. Together. These.&quot;</td><td>&quot;male&quot;</td><td>51</td><td>0</td><td>&quot;38742&quot;</td><td>15.804912</td><td>null</td><td>&quot;S&quot;</td><td>1932-06-20</td><td>18:20:22</td><td>2022-07-29 05:37:46</td><td>null</td></tr><tr><td>2</td><td>&quot;Seven claim. Assume statement.…</td><td>&quot;male&quot;</td><td>null</td><td>0</td><td>&quot;3418&quot;</td><td>9.587488</td><td>null</td><td>&quot;S&quot;</td><td>1934-01-12</td><td>15:17:18</td><td>2022-07-24 03:51:51</td><td>null</td></tr><tr><td>3</td><td>&quot;Act seek and.&quot;</td><td>&quot;male&quot;</td><td>17</td><td>0</td><td>&quot;8129&quot;</td><td>5.366794</td><td>null</td><td>&quot;S&quot;</td><td>1932-04-09</td><td>11:54:05</td><td>2022-07-24 05:24:06</td><td>null</td></tr><tr><td>4</td><td>&quot;Building. Occur. Century.&quot;</td><td>&quot;male&quot;</td><td>11</td><td>0</td><td>&quot;121137&quot;</td><td>27.170373</td><td>null</td><td>&quot;C&quot;</td><td>1919-12-16</td><td>11:08:08</td><td>null</td><td>null</td></tr><tr><td>5</td><td>&quot;Big. Financial.&quot;</td><td>&quot;female&quot;</td><td>50</td><td>0</td><td>&quot;506091&quot;</td><td>3.406364</td><td>null</td><td>&quot;S&quot;</td><td>1915-05-27</td><td>null</td><td>2022-08-01 16:27:03</td><td>null</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (5, 13)\n",
@@ -1131,20 +1155,19 @@
        "│ i64         ┆ str          ┆ cat    ┆ i64  ┆   ┆ date       ┆ time       ┆ ---          ┆ null   │\n",
        "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ datetime[μs] ┆        │\n",
        "╞═════════════╪══════════════╪════════╪══════╪═══╪════════════╪════════════╪══════════════╪════════╡\n",
-       "│ 1           ┆ Art type.    ┆ male   ┆ 55   ┆ … ┆ 1906-06-25 ┆ 12:48:10   ┆ 2022-08-10   ┆ null   │\n",
-       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 14:43:26     ┆        │\n",
-       "│ 2           ┆ Region.      ┆ male   ┆ null ┆ … ┆ 1939-10-29 ┆ null       ┆ 2022-08-13   ┆ null   │\n",
-       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 01:06:39     ┆        │\n",
-       "│ 3           ┆ Street       ┆ male   ┆ 31   ┆ … ┆ 1925-06-22 ┆ 17:55:09   ┆ 2022-07-29   ┆ null   │\n",
-       "│             ┆ million      ┆        ┆      ┆   ┆            ┆            ┆ 12:36:18     ┆        │\n",
-       "│             ┆ foot. Tv     ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│             ┆ word rec…    ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│ 4           ┆ Hair. Add.   ┆ male   ┆ 13   ┆ … ┆ 1937-01-16 ┆ 14:20:12   ┆ 2022-07-20   ┆ null   │\n",
-       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 21:05:03     ┆        │\n",
-       "│ 5           ┆ Enter        ┆ female ┆ 34   ┆ … ┆ 1937-04-09 ┆ 12:48:26   ┆ 2022-07-30   ┆ null   │\n",
-       "│             ┆ performance  ┆        ┆      ┆   ┆            ┆            ┆ 05:30:37     ┆        │\n",
-       "│             ┆ glass. Truth ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│             ┆ h…           ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
+       "│ 1           ┆ Officer.     ┆ male   ┆ 51   ┆ … ┆ 1932-06-20 ┆ 18:20:22   ┆ 2022-07-29   ┆ null   │\n",
+       "│             ┆ Together.    ┆        ┆      ┆   ┆            ┆            ┆ 05:37:46     ┆        │\n",
+       "│             ┆ These.       ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
+       "│ 2           ┆ Seven claim. ┆ male   ┆ null ┆ … ┆ 1934-01-12 ┆ 15:17:18   ┆ 2022-07-24   ┆ null   │\n",
+       "│             ┆ Assume       ┆        ┆      ┆   ┆            ┆            ┆ 03:51:51     ┆        │\n",
+       "│             ┆ statement.…  ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
+       "│ 3           ┆ Act seek     ┆ male   ┆ 17   ┆ … ┆ 1932-04-09 ┆ 11:54:05   ┆ 2022-07-24   ┆ null   │\n",
+       "│             ┆ and.         ┆        ┆      ┆   ┆            ┆            ┆ 05:24:06     ┆        │\n",
+       "│ 4           ┆ Building.    ┆ male   ┆ 11   ┆ … ┆ 1919-12-16 ┆ 11:08:08   ┆ null         ┆ null   │\n",
+       "│             ┆ Occur.       ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
+       "│             ┆ Century.     ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
+       "│ 5           ┆ Big.         ┆ female ┆ 50   ┆ … ┆ 1915-05-27 ┆ null       ┆ 2022-08-01   ┆ null   │\n",
+       "│             ┆ Financial.   ┆        ┆      ┆   ┆            ┆            ┆ 16:27:03     ┆        │\n",
        "└─────────────┴──────────────┴────────┴──────┴───┴────────────┴────────────┴──────────────┴────────┘"
       ]
      },
@@ -1187,14 +1210,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "  0%|          | 0/13 [00:00<?, ?it/s]"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "100%|██████████| 13/13 [00:00<00:00, 15.39it/s]\n"
+      "100%|██████████| 13/13 [00:01<00:00,  8.14it/s]\n"
      ]
     },
     {
@@ -1207,7 +1223,7 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>1</td><td>&quot;Elizabeth Shar…</td><td>&quot;female&quot;</td><td>null</td><td>0</td><td>&quot;84752&quot;</td><td>6.280015</td><td>null</td><td>&quot;S&quot;</td><td>1914-03-29</td><td>null</td><td>2022-07-24 05:25:21</td><td>null</td></tr><tr><td>2</td><td>&quot;Charles Johnso…</td><td>&quot;female&quot;</td><td>30</td><td>0</td><td>&quot;72623&quot;</td><td>16.018423</td><td>null</td><td>&quot;S&quot;</td><td>null</td><td>16:22:06</td><td>2022-07-25 16:04:20</td><td>null</td></tr><tr><td>3</td><td>&quot;Joel Morris&quot;</td><td>&quot;male&quot;</td><td>21</td><td>0</td><td>&quot;5712&quot;</td><td>8.486588</td><td>&quot;F98&quot;</td><td>&quot;C&quot;</td><td>1924-06-23</td><td>13:39:40</td><td>2022-07-31 21:44:26</td><td>null</td></tr><tr><td>4</td><td>&quot;Christopher La…</td><td>&quot;male&quot;</td><td>49</td><td>1</td><td>&quot;34749&quot;</td><td>4.524145</td><td>null</td><td>&quot;S&quot;</td><td>null</td><td>13:27:56</td><td>2022-07-29 12:47:16</td><td>null</td></tr><tr><td>5</td><td>&quot;Gary Anderson&quot;</td><td>&quot;female&quot;</td><td>26</td><td>0</td><td>&quot;5421&quot;</td><td>41.586641</td><td>null</td><td>&quot;S&quot;</td><td>1939-06-02</td><td>null</td><td>2022-07-19 04:31:32</td><td>null</td></tr></tbody></table></div>"
+       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>1</td><td>&quot;Laura Carter&quot;</td><td>&quot;male&quot;</td><td>23</td><td>0</td><td>&quot;802304&quot;</td><td>4.320629</td><td>null</td><td>&quot;S&quot;</td><td>1909-12-11</td><td>14:37:39</td><td>2022-07-27 09:10:07</td><td>null</td></tr><tr><td>2</td><td>&quot;Brian Meadows&quot;</td><td>&quot;male&quot;</td><td>null</td><td>0</td><td>&quot;9274&quot;</td><td>37.57741</td><td>&quot;F551&quot;</td><td>&quot;S&quot;</td><td>1904-02-24</td><td>13:10:50</td><td>2022-07-22 17:18:33</td><td>null</td></tr><tr><td>3</td><td>&quot;Matthew Leon&quot;</td><td>&quot;male&quot;</td><td>null</td><td>0</td><td>&quot;6217&quot;</td><td>149.902722</td><td>null</td><td>&quot;S&quot;</td><td>1932-12-09</td><td>15:11:17</td><td>2022-08-11 01:01:23</td><td>null</td></tr><tr><td>4</td><td>&quot;Edward Thomas&quot;</td><td>&quot;female&quot;</td><td>27</td><td>0</td><td>&quot;635722&quot;</td><td>31.938827</td><td>null</td><td>&quot;S&quot;</td><td>1909-03-25</td><td>16:47:52</td><td>2022-07-21 23:19:18</td><td>null</td></tr><tr><td>5</td><td>&quot;Richard Shepard III&quot;</td><td>&quot;male&quot;</td><td>null</td><td>0</td><td>&quot;2007&quot;</td><td>132.868876</td><td>null</td><td>&quot;S&quot;</td><td>1930-05-08</td><td>15:47:51</td><td>2022-07-25 02:54:31</td><td>null</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (5, 13)\n",
@@ -1217,16 +1233,16 @@
        "│ i64         ┆ str          ┆ cat    ┆ i64  ┆   ┆ date       ┆ time       ┆ ---          ┆ null   │\n",
        "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ datetime[μs] ┆        │\n",
        "╞═════════════╪══════════════╪════════╪══════╪═══╪════════════╪════════════╪══════════════╪════════╡\n",
-       "│ 1           ┆ Elizabeth    ┆ female ┆ null ┆ … ┆ 1914-03-29 ┆ null       ┆ 2022-07-24   ┆ null   │\n",
-       "│             ┆ Sharp        ┆        ┆      ┆   ┆            ┆            ┆ 05:25:21     ┆        │\n",
-       "│ 2           ┆ Charles      ┆ female ┆ 30   ┆ … ┆ null       ┆ 16:22:06   ┆ 2022-07-25   ┆ null   │\n",
-       "│             ┆ Johnson      ┆        ┆      ┆   ┆            ┆            ┆ 16:04:20     ┆        │\n",
-       "│ 3           ┆ Joel Morris  ┆ male   ┆ 21   ┆ … ┆ 1924-06-23 ┆ 13:39:40   ┆ 2022-07-31   ┆ null   │\n",
-       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 21:44:26     ┆        │\n",
-       "│ 4           ┆ Christopher  ┆ male   ┆ 49   ┆ … ┆ null       ┆ 13:27:56   ┆ 2022-07-29   ┆ null   │\n",
-       "│             ┆ Lamb         ┆        ┆      ┆   ┆            ┆            ┆ 12:47:16     ┆        │\n",
-       "│ 5           ┆ Gary         ┆ female ┆ 26   ┆ … ┆ 1939-06-02 ┆ null       ┆ 2022-07-19   ┆ null   │\n",
-       "│             ┆ Anderson     ┆        ┆      ┆   ┆            ┆            ┆ 04:31:32     ┆        │\n",
+       "│ 1           ┆ Laura Carter ┆ male   ┆ 23   ┆ … ┆ 1909-12-11 ┆ 14:37:39   ┆ 2022-07-27   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 09:10:07     ┆        │\n",
+       "│ 2           ┆ Brian        ┆ male   ┆ null ┆ … ┆ 1904-02-24 ┆ 13:10:50   ┆ 2022-07-22   ┆ null   │\n",
+       "│             ┆ Meadows      ┆        ┆      ┆   ┆            ┆            ┆ 17:18:33     ┆        │\n",
+       "│ 3           ┆ Matthew Leon ┆ male   ┆ null ┆ … ┆ 1932-12-09 ┆ 15:11:17   ┆ 2022-08-11   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 01:01:23     ┆        │\n",
+       "│ 4           ┆ Edward       ┆ female ┆ 27   ┆ … ┆ 1909-03-25 ┆ 16:47:52   ┆ 2022-07-21   ┆ null   │\n",
+       "│             ┆ Thomas       ┆        ┆      ┆   ┆            ┆            ┆ 23:19:18     ┆        │\n",
+       "│ 5           ┆ Richard      ┆ male   ┆ null ┆ … ┆ 1930-05-08 ┆ 15:47:51   ┆ 2022-07-25   ┆ null   │\n",
+       "│             ┆ Shepard III  ┆        ┆      ┆   ┆            ┆            ┆ 02:54:31     ┆        │\n",
        "└─────────────┴──────────────┴────────┴──────┴───┴────────────┴────────────┴──────────────┴────────┘"
       ]
      },
@@ -1278,14 +1294,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "  0%|          | 0/13 [00:00<?, ?it/s]"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "100%|██████████| 13/13 [00:00<00:00, 18.73it/s]\n"
+      "100%|██████████| 13/13 [00:01<00:00,  8.92it/s]\n"
      ]
     },
     {
@@ -1298,27 +1307,27 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>1</td><td>&quot;Douglas Campbe…</td><td>&quot;female&quot;</td><td>39</td><td>0</td><td>&quot;46561&quot;</td><td>2.161927</td><td>null</td><td>&quot;S&quot;</td><td>1922-07-19</td><td>12:56:27</td><td>2022-08-15 09:11:30</td><td>null</td></tr><tr><td>2</td><td>&quot;Richard Smith&quot;</td><td>&quot;female&quot;</td><td>33</td><td>1</td><td>&quot;4444&quot;</td><td>0.539809</td><td>&quot;D6B30&quot;</td><td>&quot;S&quot;</td><td>1919-01-06</td><td>17:07:51</td><td>2022-08-05 14:44:10</td><td>null</td></tr><tr><td>3</td><td>&quot;Cody Decker&quot;</td><td>&quot;male&quot;</td><td>35</td><td>0</td><td>&quot;708428&quot;</td><td>1.858225</td><td>&quot;C52&quot;</td><td>&quot;S&quot;</td><td>1918-08-17</td><td>17:53:13</td><td>2022-08-09 01:14:30</td><td>null</td></tr><tr><td>4</td><td>&quot;Kevin Williams…</td><td>&quot;male&quot;</td><td>34</td><td>0</td><td>&quot;34651&quot;</td><td>0.585447</td><td>null</td><td>&quot;Q&quot;</td><td>1939-07-15</td><td>16:06:26</td><td>2022-08-04 13:08:57</td><td>null</td></tr><tr><td>5</td><td>&quot;Joseph Rhodes&quot;</td><td>&quot;female&quot;</td><td>32</td><td>0</td><td>&quot;1853&quot;</td><td>0.964045</td><td>&quot;F128&quot;</td><td>&quot;S&quot;</td><td>1933-11-28</td><td>11:31:23</td><td>2022-08-08 11:29:43</td><td>null</td></tr></tbody></table></div>"
+       "<small>shape: (5, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>1</td><td>&quot;Nicole Sims&quot;</td><td>&quot;male&quot;</td><td>null</td><td>0</td><td>&quot;3805&quot;</td><td>1.348719</td><td>null</td><td>&quot;Q&quot;</td><td>1906-07-03</td><td>17:27:59</td><td>2022-07-21 23:26:20</td><td>null</td></tr><tr><td>2</td><td>&quot;Dr. David Taylor&quot;</td><td>&quot;female&quot;</td><td>27</td><td>2</td><td>&quot;581310&quot;</td><td>1.257062</td><td>null</td><td>&quot;S&quot;</td><td>1916-01-30</td><td>14:02:15</td><td>2022-07-28 03:25:30</td><td>null</td></tr><tr><td>3</td><td>&quot;Brian Kelly&quot;</td><td>&quot;female&quot;</td><td>null</td><td>0</td><td>&quot;285450&quot;</td><td>1.870011</td><td>&quot;G6 &quot;</td><td>&quot;C&quot;</td><td>1931-10-09</td><td>14:07:41</td><td>2022-08-14 14:23:07</td><td>null</td></tr><tr><td>4</td><td>&quot;Jennifer Flores&quot;</td><td>&quot;female&quot;</td><td>22</td><td>0</td><td>&quot;951612&quot;</td><td>0.843858</td><td>null</td><td>&quot;S&quot;</td><td>1934-12-08</td><td>16:12:26</td><td>2022-08-15 02:10:52</td><td>null</td></tr><tr><td>5</td><td>&quot;Grace Gutierrez&quot;</td><td>&quot;female&quot;</td><td>30</td><td>0</td><td>&quot;4978&quot;</td><td>1.145782</td><td>null</td><td>&quot;S&quot;</td><td>1917-02-28</td><td>12:19:20</td><td>2022-07-18 16:00:16</td><td>null</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (5, 13)\n",
-       "┌─────────────┬───────────────┬────────┬─────┬───┬────────────┬────────────┬──────────────┬────────┐\n",
-       "│ PassengerId ┆ Name          ┆ Sex    ┆ Age ┆ … ┆ Birthday   ┆ Board time ┆ Married      ┆ all_NA │\n",
-       "│ ---         ┆ ---           ┆ ---    ┆ --- ┆   ┆ ---        ┆ ---        ┆ since        ┆ ---    │\n",
-       "│ i64         ┆ str           ┆ cat    ┆ i64 ┆   ┆ date       ┆ time       ┆ ---          ┆ null   │\n",
-       "│             ┆               ┆        ┆     ┆   ┆            ┆            ┆ datetime[μs] ┆        │\n",
-       "╞═════════════╪═══════════════╪════════╪═════╪═══╪════════════╪════════════╪══════════════╪════════╡\n",
-       "│ 1           ┆ Douglas       ┆ female ┆ 39  ┆ … ┆ 1922-07-19 ┆ 12:56:27   ┆ 2022-08-15   ┆ null   │\n",
-       "│             ┆ Campbell      ┆        ┆     ┆   ┆            ┆            ┆ 09:11:30     ┆        │\n",
-       "│ 2           ┆ Richard Smith ┆ female ┆ 33  ┆ … ┆ 1919-01-06 ┆ 17:07:51   ┆ 2022-08-05   ┆ null   │\n",
-       "│             ┆               ┆        ┆     ┆   ┆            ┆            ┆ 14:44:10     ┆        │\n",
-       "│ 3           ┆ Cody Decker   ┆ male   ┆ 35  ┆ … ┆ 1918-08-17 ┆ 17:53:13   ┆ 2022-08-09   ┆ null   │\n",
-       "│             ┆               ┆        ┆     ┆   ┆            ┆            ┆ 01:14:30     ┆        │\n",
-       "│ 4           ┆ Kevin         ┆ male   ┆ 34  ┆ … ┆ 1939-07-15 ┆ 16:06:26   ┆ 2022-08-04   ┆ null   │\n",
-       "│             ┆ Williams      ┆        ┆     ┆   ┆            ┆            ┆ 13:08:57     ┆        │\n",
-       "│ 5           ┆ Joseph Rhodes ┆ female ┆ 32  ┆ … ┆ 1933-11-28 ┆ 11:31:23   ┆ 2022-08-08   ┆ null   │\n",
-       "│             ┆               ┆        ┆     ┆   ┆            ┆            ┆ 11:29:43     ┆        │\n",
-       "└─────────────┴───────────────┴────────┴─────┴───┴────────────┴────────────┴──────────────┴────────┘"
+       "┌─────────────┬──────────────┬────────┬──────┬───┬────────────┬────────────┬──────────────┬────────┐\n",
+       "│ PassengerId ┆ Name         ┆ Sex    ┆ Age  ┆ … ┆ Birthday   ┆ Board time ┆ Married      ┆ all_NA │\n",
+       "│ ---         ┆ ---          ┆ ---    ┆ ---  ┆   ┆ ---        ┆ ---        ┆ since        ┆ ---    │\n",
+       "│ i64         ┆ str          ┆ cat    ┆ i64  ┆   ┆ date       ┆ time       ┆ ---          ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ datetime[μs] ┆        │\n",
+       "╞═════════════╪══════════════╪════════╪══════╪═══╪════════════╪════════════╪══════════════╪════════╡\n",
+       "│ 1           ┆ Nicole Sims  ┆ male   ┆ null ┆ … ┆ 1906-07-03 ┆ 17:27:59   ┆ 2022-07-21   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 23:26:20     ┆        │\n",
+       "│ 2           ┆ Dr. David    ┆ female ┆ 27   ┆ … ┆ 1916-01-30 ┆ 14:02:15   ┆ 2022-07-28   ┆ null   │\n",
+       "│             ┆ Taylor       ┆        ┆      ┆   ┆            ┆            ┆ 03:25:30     ┆        │\n",
+       "│ 3           ┆ Brian Kelly  ┆ female ┆ null ┆ … ┆ 1931-10-09 ┆ 14:07:41   ┆ 2022-08-14   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 14:23:07     ┆        │\n",
+       "│ 4           ┆ Jennifer     ┆ female ┆ 22   ┆ … ┆ 1934-12-08 ┆ 16:12:26   ┆ 2022-08-15   ┆ null   │\n",
+       "│             ┆ Flores       ┆        ┆      ┆   ┆            ┆            ┆ 02:10:52     ┆        │\n",
+       "│ 5           ┆ Grace        ┆ female ┆ 30   ┆ … ┆ 1917-02-28 ┆ 12:19:20   ┆ 2022-07-18   ┆ null   │\n",
+       "│             ┆ Gutierrez    ┆        ┆      ┆   ┆            ┆            ┆ 16:00:16     ┆        │\n",
+       "└─────────────┴──────────────┴────────┴──────┴───┴────────────┴────────────┴──────────────┴────────┘"
       ]
      },
      "execution_count": 16,
@@ -1360,14 +1369,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "  0%|          | 0/13 [00:00<?, ?it/s]"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "100%|██████████| 13/13 [00:00<00:00, 22.62it/s]\n"
+      "100%|██████████| 13/13 [00:00<00:00, 13.51it/s]\n"
      ]
     },
     {
@@ -1380,7 +1382,7 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (10, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>1</td><td>&quot;Alicia Zuniga&quot;</td><td>&quot;male&quot;</td><td>null</td><td>0</td><td>&quot;71922&quot;</td><td>1.835239</td><td>null</td><td>&quot;Q&quot;</td><td>1905-04-18</td><td>15:21:04</td><td>2022-08-13 22:56:40</td><td>null</td></tr><tr><td>2</td><td>&quot;Julie Roberts&quot;</td><td>&quot;male&quot;</td><td>34</td><td>0</td><td>&quot;HFQ 129053&quot;</td><td>1.641983</td><td>&quot;D93&quot;</td><td>&quot;C&quot;</td><td>1926-05-05</td><td>16:24:45</td><td>null</td><td>null</td></tr><tr><td>3</td><td>&quot;Rebekah Copela…</td><td>&quot;male&quot;</td><td>24</td><td>0</td><td>&quot;55625&quot;</td><td>2.940962</td><td>null</td><td>&quot;S&quot;</td><td>null</td><td>15:45:54</td><td>null</td><td>null</td></tr><tr><td>4</td><td>&quot;Jeffrey Gardne…</td><td>&quot;male&quot;</td><td>21</td><td>0</td><td>&quot;72453&quot;</td><td>0.709158</td><td>null</td><td>&quot;S&quot;</td><td>1932-04-04</td><td>17:21:49</td><td>null</td><td>null</td></tr><tr><td>5</td><td>&quot;Heather Ward&quot;</td><td>&quot;female&quot;</td><td>null</td><td>0</td><td>&quot;49197&quot;</td><td>1.360882</td><td>null</td><td>&quot;S&quot;</td><td>1922-12-05</td><td>14:57:29</td><td>2022-07-27 01:17:00</td><td>null</td></tr><tr><td>6</td><td>&quot;Gwendolyn Rand…</td><td>&quot;female&quot;</td><td>33</td><td>0</td><td>&quot;455533&quot;</td><td>2.591159</td><td>&quot;F344&quot;</td><td>&quot;S&quot;</td><td>1927-08-21</td><td>12:08:05</td><td>2022-07-26 07:56:55</td><td>null</td></tr><tr><td>7</td><td>&quot;Donna Crawford…</td><td>&quot;male&quot;</td><td>null</td><td>0</td><td>&quot;20577&quot;</td><td>0.65255</td><td>null</td><td>&quot;S&quot;</td><td>1928-07-10</td><td>null</td><td>2022-08-09 20:23:45</td><td>null</td></tr><tr><td>8</td><td>&quot;Tamara Contrer…</td><td>&quot;female&quot;</td><td>30</td><td>0</td><td>&quot;105811&quot;</td><td>4.251059</td><td>null</td><td>&quot;S&quot;</td><td>1922-11-19</td><td>16:28:20</td><td>2022-07-31 22:53:26</td><td>null</td></tr><tr><td>9</td><td>&quot;Stephanie Grif…</td><td>&quot;male&quot;</td><td>38</td><td>0</td><td>&quot;991613&quot;</td><td>1.06173</td><td>&quot;A01&quot;</td><td>&quot;S&quot;</td><td>1914-02-21</td><td>16:43:33</td><td>2022-08-12 21:28:24</td><td>null</td></tr><tr><td>10</td><td>&quot;Krystal Kelly&quot;</td><td>&quot;female&quot;</td><td>null</td><td>1</td><td>&quot;697485&quot;</td><td>1.684701</td><td>&quot;D22&quot;</td><td>&quot;S&quot;</td><td>1933-11-13</td><td>16:46:48</td><td>null</td><td>null</td></tr></tbody></table></div>"
+       "<small>shape: (10, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>i64</td><td>str</td><td>cat</td><td>i64</td><td>i64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>1</td><td>&quot;Kathy Crawford&quot;</td><td>&quot;male&quot;</td><td>33</td><td>0</td><td>&quot;36003&quot;</td><td>1.797109</td><td>null</td><td>&quot;C&quot;</td><td>1928-07-19</td><td>17:40:17</td><td>2022-07-23 02:35:47</td><td>null</td></tr><tr><td>2</td><td>&quot;Toni Rodriguez&quot;</td><td>&quot;female&quot;</td><td>37</td><td>0</td><td>&quot;7260&quot;</td><td>1.832633</td><td>null</td><td>&quot;S&quot;</td><td>1915-01-17</td><td>17:06:54</td><td>2022-07-29 08:50:29</td><td>null</td></tr><tr><td>3</td><td>&quot;Jesse Lopez&quot;</td><td>&quot;female&quot;</td><td>26</td><td>0</td><td>&quot;265335&quot;</td><td>0.598759</td><td>null</td><td>&quot;S&quot;</td><td>1935-10-16</td><td>12:27:44</td><td>2022-08-09 13:10:57</td><td>null</td></tr><tr><td>4</td><td>&quot;Ashley Wheeler&quot;</td><td>&quot;female&quot;</td><td>null</td><td>0</td><td>&quot;41223&quot;</td><td>0.121366</td><td>&quot;F635&quot;</td><td>&quot;S&quot;</td><td>1935-08-27</td><td>14:44:39</td><td>2022-08-12 10:31:37</td><td>null</td></tr><tr><td>5</td><td>&quot;Edward Jones&quot;</td><td>&quot;female&quot;</td><td>27</td><td>0</td><td>&quot;4287&quot;</td><td>0.685862</td><td>null</td><td>&quot;S&quot;</td><td>1929-07-02</td><td>13:57:05</td><td>2022-07-23 09:33:00</td><td>null</td></tr><tr><td>6</td><td>&quot;Scott Abbott&quot;</td><td>&quot;female&quot;</td><td>null</td><td>0</td><td>&quot;5060&quot;</td><td>2.251193</td><td>null</td><td>&quot;C&quot;</td><td>1915-07-05</td><td>14:30:59</td><td>2022-08-07 17:07:11</td><td>null</td></tr><tr><td>7</td><td>&quot;Samantha Reyes&quot;</td><td>&quot;female&quot;</td><td>28</td><td>0</td><td>&quot;74697&quot;</td><td>0.813593</td><td>&quot;C06&quot;</td><td>&quot;S&quot;</td><td>1938-11-28</td><td>16:23:54</td><td>2022-07-27 06:23:42</td><td>null</td></tr><tr><td>8</td><td>&quot;Danielle Chaney&quot;</td><td>&quot;male&quot;</td><td>31</td><td>0</td><td>&quot;848674&quot;</td><td>1.765307</td><td>null</td><td>&quot;S&quot;</td><td>1922-12-13</td><td>15:33:10</td><td>2022-07-21 04:47:26</td><td>null</td></tr><tr><td>9</td><td>&quot;Rebecca Wade&quot;</td><td>&quot;female&quot;</td><td>31</td><td>0</td><td>&quot;OR 00654&quot;</td><td>0.398557</td><td>&quot;D488&quot;</td><td>&quot;S&quot;</td><td>1939-07-10</td><td>13:27:52</td><td>null</td><td>null</td></tr><tr><td>10</td><td>&quot;Steven Rice&quot;</td><td>&quot;male&quot;</td><td>23</td><td>0</td><td>&quot;223076&quot;</td><td>0.906104</td><td>null</td><td>&quot;S&quot;</td><td>null</td><td>12:59:28</td><td>2022-08-09 03:06:18</td><td>null</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (10, 13)\n",
@@ -1390,26 +1392,25 @@
        "│ i64         ┆ str          ┆ cat    ┆ i64  ┆   ┆ date       ┆ time       ┆ ---          ┆ null   │\n",
        "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ datetime[μs] ┆        │\n",
        "╞═════════════╪══════════════╪════════╪══════╪═══╪════════════╪════════════╪══════════════╪════════╡\n",
-       "│ 1           ┆ Alicia       ┆ male   ┆ null ┆ … ┆ 1905-04-18 ┆ 15:21:04   ┆ 2022-08-13   ┆ null   │\n",
-       "│             ┆ Zuniga       ┆        ┆      ┆   ┆            ┆            ┆ 22:56:40     ┆        │\n",
-       "│ 2           ┆ Julie        ┆ male   ┆ 34   ┆ … ┆ 1926-05-05 ┆ 16:24:45   ┆ null         ┆ null   │\n",
-       "│             ┆ Roberts      ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│ 3           ┆ Rebekah      ┆ male   ┆ 24   ┆ … ┆ null       ┆ 15:45:54   ┆ null         ┆ null   │\n",
-       "│             ┆ Copeland     ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│ 4           ┆ Jeffrey      ┆ male   ┆ 21   ┆ … ┆ 1932-04-04 ┆ 17:21:49   ┆ null         ┆ null   │\n",
-       "│             ┆ Gardner      ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
-       "│ 5           ┆ Heather Ward ┆ female ┆ null ┆ … ┆ 1922-12-05 ┆ 14:57:29   ┆ 2022-07-27   ┆ null   │\n",
-       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 01:17:00     ┆        │\n",
-       "│ 6           ┆ Gwendolyn    ┆ female ┆ 33   ┆ … ┆ 1927-08-21 ┆ 12:08:05   ┆ 2022-07-26   ┆ null   │\n",
-       "│             ┆ Randall      ┆        ┆      ┆   ┆            ┆            ┆ 07:56:55     ┆        │\n",
-       "│ 7           ┆ Donna        ┆ male   ┆ null ┆ … ┆ 1928-07-10 ┆ null       ┆ 2022-08-09   ┆ null   │\n",
-       "│             ┆ Crawford     ┆        ┆      ┆   ┆            ┆            ┆ 20:23:45     ┆        │\n",
-       "│ 8           ┆ Tamara       ┆ female ┆ 30   ┆ … ┆ 1922-11-19 ┆ 16:28:20   ┆ 2022-07-31   ┆ null   │\n",
-       "│             ┆ Contreras    ┆        ┆      ┆   ┆            ┆            ┆ 22:53:26     ┆        │\n",
-       "│ 9           ┆ Stephanie    ┆ male   ┆ 38   ┆ … ┆ 1914-02-21 ┆ 16:43:33   ┆ 2022-08-12   ┆ null   │\n",
-       "│             ┆ Griffin MD   ┆        ┆      ┆   ┆            ┆            ┆ 21:28:24     ┆        │\n",
-       "│ 10          ┆ Krystal      ┆ female ┆ null ┆ … ┆ 1933-11-13 ┆ 16:46:48   ┆ null         ┆ null   │\n",
-       "│             ┆ Kelly        ┆        ┆      ┆   ┆            ┆            ┆              ┆        │\n",
+       "│ 1           ┆ Kathy        ┆ male   ┆ 33   ┆ … ┆ 1928-07-19 ┆ 17:40:17   ┆ 2022-07-23   ┆ null   │\n",
+       "│             ┆ Crawford     ┆        ┆      ┆   ┆            ┆            ┆ 02:35:47     ┆        │\n",
+       "│ 2           ┆ Toni         ┆ female ┆ 37   ┆ … ┆ 1915-01-17 ┆ 17:06:54   ┆ 2022-07-29   ┆ null   │\n",
+       "│             ┆ Rodriguez    ┆        ┆      ┆   ┆            ┆            ┆ 08:50:29     ┆        │\n",
+       "│ 3           ┆ Jesse Lopez  ┆ female ┆ 26   ┆ … ┆ 1935-10-16 ┆ 12:27:44   ┆ 2022-08-09   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 13:10:57     ┆        │\n",
+       "│ 4           ┆ Ashley       ┆ female ┆ null ┆ … ┆ 1935-08-27 ┆ 14:44:39   ┆ 2022-08-12   ┆ null   │\n",
+       "│             ┆ Wheeler      ┆        ┆      ┆   ┆            ┆            ┆ 10:31:37     ┆        │\n",
+       "│ 5           ┆ Edward Jones ┆ female ┆ 27   ┆ … ┆ 1929-07-02 ┆ 13:57:05   ┆ 2022-07-23   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 09:33:00     ┆        │\n",
+       "│ 6           ┆ Scott Abbott ┆ female ┆ null ┆ … ┆ 1915-07-05 ┆ 14:30:59   ┆ 2022-08-07   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 17:07:11     ┆        │\n",
+       "│ 7           ┆ Samantha     ┆ female ┆ 28   ┆ … ┆ 1938-11-28 ┆ 16:23:54   ┆ 2022-07-27   ┆ null   │\n",
+       "│             ┆ Reyes        ┆        ┆      ┆   ┆            ┆            ┆ 06:23:42     ┆        │\n",
+       "│ 8           ┆ Danielle     ┆ male   ┆ 31   ┆ … ┆ 1922-12-13 ┆ 15:33:10   ┆ 2022-07-21   ┆ null   │\n",
+       "│             ┆ Chaney       ┆        ┆      ┆   ┆            ┆            ┆ 04:47:26     ┆        │\n",
+       "│ 9           ┆ Rebecca Wade ┆ female ┆ 31   ┆ … ┆ 1939-07-10 ┆ 13:27:52   ┆ null         ┆ null   │\n",
+       "│ 10          ┆ Steven Rice  ┆ male   ┆ 23   ┆ … ┆ null       ┆ 12:59:28   ┆ 2022-08-09   ┆ null   │\n",
+       "│             ┆              ┆        ┆      ┆   ┆            ┆            ┆ 03:06:18     ┆        │\n",
        "└─────────────┴──────────────┴────────┴──────┴───┴────────────┴────────────┴──────────────┴────────┘"
       ]
      },
@@ -1472,18 +1473,20 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (1, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>f64</td><td>str</td><td>cat</td><td>f64</td><td>f64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>str</td></tr></thead><tbody><tr><td>446.0</td><td>null</td><td>null</td><td>29.693277</td><td>0.381594</td><td>null</td><td>32.204208</td><td>null</td><td>null</td><td>null</td><td>null</td><td>2022-07-31 03:43:48.767209</td><td>null</td></tr></tbody></table></div>"
+       "<small>shape: (1, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>f64</td><td>str</td><td>cat</td><td>f64</td><td>f64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>datetime[ms]</td><td>time</td><td>datetime[μs]</td><td>str</td></tr></thead><tbody><tr><td>446.0</td><td>null</td><td>null</td><td>29.693277</td><td>0.381594</td><td>null</td><td>32.204208</td><td>null</td><td>null</td><td>1921-07-27 22:08:24.798</td><td>14:38:10.014778325</td><td>2022-07-31 03:43:48.767209</td><td>null</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (1, 13)\n",
-       "┌─────────────┬──────┬──────┬───────────┬───┬──────────┬────────────┬─────────────────┬────────┐\n",
-       "│ PassengerId ┆ Name ┆ Sex  ┆ Age       ┆ … ┆ Birthday ┆ Board time ┆ Married since   ┆ all_NA │\n",
-       "│ ---         ┆ ---  ┆ ---  ┆ ---       ┆   ┆ ---      ┆ ---        ┆ ---             ┆ ---    │\n",
-       "│ f64         ┆ str  ┆ cat  ┆ f64       ┆   ┆ date     ┆ time       ┆ datetime[μs]    ┆ str    │\n",
-       "╞═════════════╪══════╪══════╪═══════════╪═══╪══════════╪════════════╪═════════════════╪════════╡\n",
-       "│ 446.0       ┆ null ┆ null ┆ 29.693277 ┆ … ┆ null     ┆ null       ┆ 2022-07-31      ┆ null   │\n",
-       "│             ┆      ┆      ┆           ┆   ┆          ┆            ┆ 03:43:48.767209 ┆        │\n",
-       "└─────────────┴──────┴──────┴───────────┴───┴──────────┴────────────┴─────────────────┴────────┘"
+       "┌─────────────┬──────┬──────┬───────────┬───┬───────────────┬──────────────┬──────────────┬────────┐\n",
+       "│ PassengerId ┆ Name ┆ Sex  ┆ Age       ┆ … ┆ Birthday      ┆ Board time   ┆ Married      ┆ all_NA │\n",
+       "│ ---         ┆ ---  ┆ ---  ┆ ---       ┆   ┆ ---           ┆ ---          ┆ since        ┆ ---    │\n",
+       "│ f64         ┆ str  ┆ cat  ┆ f64       ┆   ┆ datetime[ms]  ┆ time         ┆ ---          ┆ str    │\n",
+       "│             ┆      ┆      ┆           ┆   ┆               ┆              ┆ datetime[μs] ┆        │\n",
+       "╞═════════════╪══════╪══════╪═══════════╪═══╪═══════════════╪══════════════╪══════════════╪════════╡\n",
+       "│ 446.0       ┆ null ┆ null ┆ 29.693277 ┆ … ┆ 1921-07-27    ┆ 14:38:10.014 ┆ 2022-07-31   ┆ null   │\n",
+       "│             ┆      ┆      ┆           ┆   ┆ 22:08:24.798  ┆ 778325       ┆ 03:43:48.767 ┆        │\n",
+       "│             ┆      ┆      ┆           ┆   ┆               ┆              ┆ 209          ┆        │\n",
+       "└─────────────┴──────┴──────┴───────────┴───┴───────────────┴──────────────┴──────────────┴────────┘"
       ]
      },
      "execution_count": 18,
@@ -1497,7 +1500,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 22,
    "id": "0ba303f3",
    "metadata": {},
    "outputs": [
@@ -1511,27 +1514,29 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (1, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>f64</td><td>str</td><td>cat</td><td>f64</td><td>f64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>date</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>446.0</td><td>null</td><td>null</td><td>29.353521</td><td>0.08642</td><td>null</td><td>1.631487</td><td>null</td><td>null</td><td>null</td><td>null</td><td>2022-07-30 16:27:19.689393</td><td>null</td></tr></tbody></table></div>"
+       "<small>shape: (1, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>f64</td><td>str</td><td>cat</td><td>f64</td><td>f64</td><td>str</td><td>f64</td><td>str</td><td>cat</td><td>datetime[ms]</td><td>time</td><td>datetime[μs]</td><td>null</td></tr></thead><tbody><tr><td>446.0</td><td>null</td><td>null</td><td>29.61708</td><td>0.075196</td><td>null</td><td>1.728378</td><td>null</td><td>null</td><td>1921-10-25 02:59:33.068</td><td>14:37:11.317224287</td><td>2022-07-30 23:39:23.192874</td><td>null</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (1, 13)\n",
-       "┌─────────────┬──────┬──────┬───────────┬───┬──────────┬────────────┬─────────────────┬────────┐\n",
-       "│ PassengerId ┆ Name ┆ Sex  ┆ Age       ┆ … ┆ Birthday ┆ Board time ┆ Married since   ┆ all_NA │\n",
-       "│ ---         ┆ ---  ┆ ---  ┆ ---       ┆   ┆ ---      ┆ ---        ┆ ---             ┆ ---    │\n",
-       "│ f64         ┆ str  ┆ cat  ┆ f64       ┆   ┆ date     ┆ time       ┆ datetime[μs]    ┆ null   │\n",
-       "╞═════════════╪══════╪══════╪═══════════╪═══╪══════════╪════════════╪═════════════════╪════════╡\n",
-       "│ 446.0       ┆ null ┆ null ┆ 29.353521 ┆ … ┆ null     ┆ null       ┆ 2022-07-30      ┆ null   │\n",
-       "│             ┆      ┆      ┆           ┆   ┆          ┆            ┆ 16:27:19.689393 ┆        │\n",
-       "└─────────────┴──────┴──────┴───────────┴───┴──────────┴────────────┴─────────────────┴────────┘"
+       "┌─────────────┬──────┬──────┬──────────┬───┬───────────────┬───────────────┬──────────────┬────────┐\n",
+       "│ PassengerId ┆ Name ┆ Sex  ┆ Age      ┆ … ┆ Birthday      ┆ Board time    ┆ Married      ┆ all_NA │\n",
+       "│ ---         ┆ ---  ┆ ---  ┆ ---      ┆   ┆ ---           ┆ ---           ┆ since        ┆ ---    │\n",
+       "│ f64         ┆ str  ┆ cat  ┆ f64      ┆   ┆ datetime[ms]  ┆ time          ┆ ---          ┆ null   │\n",
+       "│             ┆      ┆      ┆          ┆   ┆               ┆               ┆ datetime[μs] ┆        │\n",
+       "╞═════════════╪══════╪══════╪══════════╪═══╪═══════════════╪═══════════════╪══════════════╪════════╡\n",
+       "│ 446.0       ┆ null ┆ null ┆ 29.61708 ┆ … ┆ 1921-10-25    ┆ 14:37:11.3172 ┆ 2022-07-30   ┆ null   │\n",
+       "│             ┆      ┆      ┆          ┆   ┆ 02:59:33.068  ┆ 24287         ┆ 23:39:23.192 ┆        │\n",
+       "│             ┆      ┆      ┆          ┆   ┆               ┆               ┆ 874          ┆        │\n",
+       "└─────────────┴──────┴──────┴──────────┴───┴───────────────┴───────────────┴──────────────┴────────┘"
       ]
      },
-     "execution_count": 19,
+     "execution_count": 22,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "mf.synthesize(len(df)).mean()"
+    "mf.synthesize().mean()"
    ]
   },
   {
@@ -1544,7 +1549,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 23,
    "id": "c6ca2918",
    "metadata": {},
    "outputs": [
@@ -1571,7 +1576,7 @@
        "└─────────────┴──────┴─────┴─────┴───┴──────────┴────────────┴───────────────┴────────┘"
       ]
      },
-     "execution_count": 20,
+     "execution_count": 23,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1582,7 +1587,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 24,
    "id": "1dd596fb",
    "metadata": {},
    "outputs": [
@@ -1596,7 +1601,7 @@
        "  white-space: pre-wrap;\n",
        "}\n",
        "</style>\n",
-       "<small>shape: (1, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td></tr></thead><tbody><tr><td>0</td><td>0</td><td>0</td><td>171</td><td>0</td><td>0</td><td>0</td><td>673</td><td>1</td><td>74</td><td>71</td><td>96</td><td>891</td></tr></tbody></table></div>"
+       "<small>shape: (1, 13)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>PassengerId</th><th>Name</th><th>Sex</th><th>Age</th><th>Parch</th><th>Ticket</th><th>Fare</th><th>Cabin</th><th>Embarked</th><th>Birthday</th><th>Board time</th><th>Married since</th><th>all_NA</th></tr><tr><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td><td>u32</td></tr></thead><tbody><tr><td>0</td><td>0</td><td>0</td><td>174</td><td>0</td><td>0</td><td>0</td><td>658</td><td>2</td><td>74</td><td>83</td><td>81</td><td>891</td></tr></tbody></table></div>"
       ],
       "text/plain": [
        "shape: (1, 13)\n",
@@ -1605,17 +1610,17 @@
        "│ ---         ┆ ---  ┆ --- ┆ --- ┆   ┆ ---      ┆ ---        ┆ ---           ┆ ---    │\n",
        "│ u32         ┆ u32  ┆ u32 ┆ u32 ┆   ┆ u32      ┆ u32        ┆ u32           ┆ u32    │\n",
        "╞═════════════╪══════╪═════╪═════╪═══╪══════════╪════════════╪═══════════════╪════════╡\n",
-       "│ 0           ┆ 0    ┆ 0   ┆ 171 ┆ … ┆ 74       ┆ 71         ┆ 96            ┆ 891    │\n",
+       "│ 0           ┆ 0    ┆ 0   ┆ 174 ┆ … ┆ 74       ┆ 83         ┆ 81            ┆ 891    │\n",
        "└─────────────┴──────┴─────┴─────┴───┴──────────┴────────────┴───────────────┴────────┘"
       ]
      },
-     "execution_count": 21,
+     "execution_count": 24,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "mf.synthesize(len(df)).null_count()"
+    "mf.synthesize().null_count()"
    ]
   },
   {
@@ -1642,7 +1647,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 25,
    "id": "e37faad4df8ffde8",
    "metadata": {
     "collapsed": false
@@ -1652,14 +1657,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "  0%|          | 0/13 [00:00<?, ?it/s]"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "100%|██████████| 13/13 [00:00<00:00, 22.52it/s]\n"
+      "100%|██████████| 13/13 [00:00<00:00, 14.49it/s]\n"
      ]
     }
    ],
@@ -1696,7 +1694,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 26,
    "id": "694d4474707f7950",
    "metadata": {
     "collapsed": false
@@ -1726,7 +1724,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 27,
    "id": "34a8aafc95c0219f",
    "metadata": {
     "collapsed": false
@@ -1758,7 +1756,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 28,
    "id": "3b2e873f7362160a",
    "metadata": {
     "collapsed": false
@@ -1794,7 +1792,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 29,
    "id": "ab2b34ed6b11578c",
    "metadata": {
     "collapsed": false
@@ -1846,7 +1844,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.6"
+   "version": "3.11.3"
   },
   "vscode": {
    "interpreter": {
diff --git a/metasyn/distribution/categorical.py b/metasyn/distribution/categorical.py
index c71a6c7d..bad52dfa 100644
--- a/metasyn/distribution/categorical.py
+++ b/metasyn/distribution/categorical.py
@@ -112,7 +112,7 @@ def _log_like_int(
         https://en.wikipedia.org/wiki/Additive_smoothing
 
         with parameter alpha = 1. This effectively says that all values in between the observed
-        values have a probability of 1/N, where N is the number of total values. Hoewever, to
+        values have a probability of 1/N, where N is the number of total values. However, to
         prevent confusion (and potentially improve the synthesis) is draw from these unobserved
         values. That is why the information criterion for integers is not a true BIC, but a pseudo
         information criterion.
diff --git a/pyproject.toml b/pyproject.toml
index 30ba16b1..e9449a2f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 ]
 
 dependencies = [
-    "polars>=0.20.31",
+    "polars>=1",
     "tqdm",
     "numpy>=1.20",
     "pyarrow", # Dependency of polars since we're converting from pandas.
diff --git a/tests/test_var.py b/tests/test_var.py
index a5ecd111..b7b3f1fe 100644
--- a/tests/test_var.py
+++ b/tests/test_var.py
@@ -240,8 +240,8 @@ def test_na_two(series):
 
 @mark.parametrize(
     "series",
-    [pd.Series(np.random.randint(0, 100000, size=1000)),
-     pl.Series(np.random.randint(0, 100000, size=1000))]
+    [pd.Series(np.random.randint(0, 1000, size=500)),
+     pl.Series(np.random.randint(0, 1000, size=500))]
 )
 def test_manual_unique_integer(series):
     var = MetaVar.fit(series)