diff --git a/docs/user_guide/preprocessing/screen.ipynb b/docs/user_guide/preprocessing/screen.ipynb
index d5ab6d9c..bac34db9 100644
--- a/docs/user_guide/preprocessing/screen.ipynb
+++ b/docs/user_guide/preprocessing/screen.ipynb
@@ -708,53 +708,53 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
-       "      <th>screen_on_count</th>\n",
-       "      <th>screen_use_count</th>\n",
        "      <th>screen_off_count</th>\n",
+       "      <th>screen_use_count</th>\n",
+       "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>screen_on_count</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>2020-01-09 02:00:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>2</td>\n",
        "      <td>2</td>\n",
        "      <td>2</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>2</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 02:20:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>3</td>\n",
-       "      <td>2</td>\n",
        "      <td>4</td>\n",
+       "      <td>2</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 02:40:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>2</td>\n",
        "      <td>1</td>\n",
-       "      <td>2</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>2</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 03:00:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 03:20:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>...</th>\n",
@@ -766,43 +766,43 @@
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 21:40:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>0</td>\n",
-       "      <td>1</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 22:00:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>1</td>\n",
        "      <td>0</td>\n",
-       "      <td>1</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 22:20:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 22:40:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 23:00:00+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>4</td>\n",
-       "      <td>0</td>\n",
        "      <td>3</td>\n",
+       "      <td>0</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>4</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -810,31 +810,31 @@
        "</div>"
       ],
       "text/plain": [
-       "                                   user  screen_on_count  screen_use_count  \\\n",
-       "2020-01-09 02:00:00+02:00  jd9INuQ5BBlW                2                 2   \n",
-       "2020-01-09 02:20:00+02:00  jd9INuQ5BBlW                3                 2   \n",
-       "2020-01-09 02:40:00+02:00  jd9INuQ5BBlW                2                 1   \n",
-       "2020-01-09 03:00:00+02:00  jd9INuQ5BBlW                0                 0   \n",
-       "2020-01-09 03:20:00+02:00  jd9INuQ5BBlW                0                 0   \n",
-       "...                                 ...              ...               ...   \n",
-       "2020-01-09 21:40:00+02:00  jd9INuQ5BBlW                1                 0   \n",
-       "2020-01-09 22:00:00+02:00  jd9INuQ5BBlW                1                 0   \n",
-       "2020-01-09 22:20:00+02:00  jd9INuQ5BBlW                0                 0   \n",
-       "2020-01-09 22:40:00+02:00  jd9INuQ5BBlW                0                 0   \n",
-       "2020-01-09 23:00:00+02:00  jd9INuQ5BBlW                4                 0   \n",
-       "\n",
-       "                           screen_off_count        device  \n",
-       "2020-01-09 02:00:00+02:00                 2  OWd1Uau8POix  \n",
-       "2020-01-09 02:20:00+02:00                 4  OWd1Uau8POix  \n",
-       "2020-01-09 02:40:00+02:00                 2  OWd1Uau8POix  \n",
-       "2020-01-09 03:00:00+02:00                 0  OWd1Uau8POix  \n",
-       "2020-01-09 03:20:00+02:00                 0  OWd1Uau8POix  \n",
-       "...                                     ...           ...  \n",
-       "2020-01-09 21:40:00+02:00                 1  OWd1Uau8POix  \n",
-       "2020-01-09 22:00:00+02:00                 1  OWd1Uau8POix  \n",
-       "2020-01-09 22:20:00+02:00                 0  OWd1Uau8POix  \n",
-       "2020-01-09 22:40:00+02:00                 0  OWd1Uau8POix  \n",
-       "2020-01-09 23:00:00+02:00                 3  OWd1Uau8POix  \n",
+       "                           screen_off_count  screen_use_count          user  \\\n",
+       "2020-01-09 02:00:00+02:00                 2                 2  jd9INuQ5BBlW   \n",
+       "2020-01-09 02:20:00+02:00                 4                 2  jd9INuQ5BBlW   \n",
+       "2020-01-09 02:40:00+02:00                 2                 1  jd9INuQ5BBlW   \n",
+       "2020-01-09 03:00:00+02:00                 0                 0  jd9INuQ5BBlW   \n",
+       "2020-01-09 03:20:00+02:00                 0                 0  jd9INuQ5BBlW   \n",
+       "...                                     ...               ...           ...   \n",
+       "2020-01-09 21:40:00+02:00                 1                 0  jd9INuQ5BBlW   \n",
+       "2020-01-09 22:00:00+02:00                 1                 0  jd9INuQ5BBlW   \n",
+       "2020-01-09 22:20:00+02:00                 0                 0  jd9INuQ5BBlW   \n",
+       "2020-01-09 22:40:00+02:00                 0                 0  jd9INuQ5BBlW   \n",
+       "2020-01-09 23:00:00+02:00                 3                 0  jd9INuQ5BBlW   \n",
+       "\n",
+       "                                 device  screen_on_count  \n",
+       "2020-01-09 02:00:00+02:00  OWd1Uau8POix                2  \n",
+       "2020-01-09 02:20:00+02:00  OWd1Uau8POix                3  \n",
+       "2020-01-09 02:40:00+02:00  OWd1Uau8POix                2  \n",
+       "2020-01-09 03:00:00+02:00  OWd1Uau8POix                0  \n",
+       "2020-01-09 03:20:00+02:00  OWd1Uau8POix                0  \n",
+       "...                                 ...              ...  \n",
+       "2020-01-09 21:40:00+02:00  OWd1Uau8POix                1  \n",
+       "2020-01-09 22:00:00+02:00  OWd1Uau8POix                1  \n",
+       "2020-01-09 22:20:00+02:00  OWd1Uau8POix                0  \n",
+       "2020-01-09 22:40:00+02:00  OWd1Uau8POix                0  \n",
+       "2020-01-09 23:00:00+02:00  OWd1Uau8POix                4  \n",
        "\n",
        "[64 rows x 5 columns]"
       ]
@@ -1048,53 +1048,53 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
-       "      <th>screen_on_count</th>\n",
-       "      <th>screen_use_count</th>\n",
        "      <th>screen_off_count</th>\n",
+       "      <th>screen_use_count</th>\n",
+       "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>screen_on_count</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>2020-01-09 02:06:41.573999882+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>4</td>\n",
        "      <td>3</td>\n",
        "      <td>3</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>4</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 02:26:41.573999882+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>2</td>\n",
-       "      <td>1</td>\n",
        "      <td>3</td>\n",
+       "      <td>1</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>2</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 02:46:41.573999882+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>2</td>\n",
        "      <td>1</td>\n",
-       "      <td>2</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>2</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 03:06:41.573999882+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 03:26:41.573999882+02:00</th>\n",
-       "      <td>jd9INuQ5BBlW</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>...</th>\n",
@@ -1106,43 +1106,43 @@
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-07 17:52:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-07 18:12:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-07 18:32:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>1</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-07 18:52:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-07 19:12:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
        "      <td>1</td>\n",
+       "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -1150,23 +1150,10 @@
        "</div>"
       ],
       "text/plain": [
-       "                                             user  screen_on_count  \\\n",
-       "2020-01-09 02:06:41.573999882+02:00  jd9INuQ5BBlW                4   \n",
-       "2020-01-09 02:26:41.573999882+02:00  jd9INuQ5BBlW                2   \n",
-       "2020-01-09 02:46:41.573999882+02:00  jd9INuQ5BBlW                2   \n",
-       "2020-01-09 03:06:41.573999882+02:00  jd9INuQ5BBlW                0   \n",
-       "2020-01-09 03:26:41.573999882+02:00  jd9INuQ5BBlW                0   \n",
-       "...                                           ...              ...   \n",
-       "2019-08-07 17:52:41.009999990+03:00  dvWdLQesv21a                0   \n",
-       "2019-08-07 18:12:41.009999990+03:00  dvWdLQesv21a                0   \n",
-       "2019-08-07 18:32:41.009999990+03:00  dvWdLQesv21a                1   \n",
-       "2019-08-07 18:52:41.009999990+03:00  dvWdLQesv21a                0   \n",
-       "2019-08-07 19:12:41.009999990+03:00  dvWdLQesv21a                0   \n",
-       "\n",
-       "                                     screen_use_count  screen_off_count  \\\n",
+       "                                     screen_off_count  screen_use_count  \\\n",
        "2020-01-09 02:06:41.573999882+02:00                 3                 3   \n",
-       "2020-01-09 02:26:41.573999882+02:00                 1                 3   \n",
-       "2020-01-09 02:46:41.573999882+02:00                 1                 2   \n",
+       "2020-01-09 02:26:41.573999882+02:00                 3                 1   \n",
+       "2020-01-09 02:46:41.573999882+02:00                 2                 1   \n",
        "2020-01-09 03:06:41.573999882+02:00                 0                 0   \n",
        "2020-01-09 03:26:41.573999882+02:00                 0                 0   \n",
        "...                                               ...               ...   \n",
@@ -1174,20 +1161,33 @@
        "2019-08-07 18:12:41.009999990+03:00                 0                 0   \n",
        "2019-08-07 18:32:41.009999990+03:00                 0                 0   \n",
        "2019-08-07 18:52:41.009999990+03:00                 0                 0   \n",
-       "2019-08-07 19:12:41.009999990+03:00                 0                 1   \n",
-       "\n",
-       "                                            device  \n",
-       "2020-01-09 02:06:41.573999882+02:00   OWd1Uau8POix  \n",
-       "2020-01-09 02:26:41.573999882+02:00   OWd1Uau8POix  \n",
-       "2020-01-09 02:46:41.573999882+02:00   OWd1Uau8POix  \n",
-       "2020-01-09 03:06:41.573999882+02:00   OWd1Uau8POix  \n",
-       "2020-01-09 03:26:41.573999882+02:00   OWd1Uau8POix  \n",
-       "...                                            ...  \n",
-       "2019-08-07 17:52:41.009999990+03:00  i8jmoIuoe12Mo  \n",
-       "2019-08-07 18:12:41.009999990+03:00  i8jmoIuoe12Mo  \n",
-       "2019-08-07 18:32:41.009999990+03:00  i8jmoIuoe12Mo  \n",
-       "2019-08-07 18:52:41.009999990+03:00  i8jmoIuoe12Mo  \n",
-       "2019-08-07 19:12:41.009999990+03:00  i8jmoIuoe12Mo  \n",
+       "2019-08-07 19:12:41.009999990+03:00                 1                 0   \n",
+       "\n",
+       "                                             user         device  \\\n",
+       "2020-01-09 02:06:41.573999882+02:00  jd9INuQ5BBlW   OWd1Uau8POix   \n",
+       "2020-01-09 02:26:41.573999882+02:00  jd9INuQ5BBlW   OWd1Uau8POix   \n",
+       "2020-01-09 02:46:41.573999882+02:00  jd9INuQ5BBlW   OWd1Uau8POix   \n",
+       "2020-01-09 03:06:41.573999882+02:00  jd9INuQ5BBlW   OWd1Uau8POix   \n",
+       "2020-01-09 03:26:41.573999882+02:00  jd9INuQ5BBlW   OWd1Uau8POix   \n",
+       "...                                           ...            ...   \n",
+       "2019-08-07 17:52:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-07 18:12:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-07 18:32:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-07 18:52:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-07 19:12:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "\n",
+       "                                     screen_on_count  \n",
+       "2020-01-09 02:06:41.573999882+02:00                4  \n",
+       "2020-01-09 02:26:41.573999882+02:00                2  \n",
+       "2020-01-09 02:46:41.573999882+02:00                2  \n",
+       "2020-01-09 03:06:41.573999882+02:00                0  \n",
+       "2020-01-09 03:26:41.573999882+02:00                0  \n",
+       "...                                              ...  \n",
+       "2019-08-07 17:52:41.009999990+03:00                0  \n",
+       "2019-08-07 18:12:41.009999990+03:00                0  \n",
+       "2019-08-07 18:32:41.009999990+03:00                1  \n",
+       "2019-08-07 18:52:41.009999990+03:00                0  \n",
+       "2019-08-07 19:12:41.009999990+03:00                0  \n",
        "\n",
        "[2689 rows x 5 columns]"
       ]
@@ -1237,72 +1237,72 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
-       "      <th>screen_on_count</th>\n",
-       "      <th>screen_use_count</th>\n",
        "      <th>screen_off_count</th>\n",
+       "      <th>screen_use_count</th>\n",
+       "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>screen_on_count</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>2019-08-05 15:30:00+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 16:00:00+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 16:30:00+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>1</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 17:00:00+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
-       "      <td>0</td>\n",
        "      <td>1</td>\n",
+       "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 17:30:00+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                   user  screen_on_count  screen_use_count  \\\n",
-       "2019-08-05 15:30:00+03:00  dvWdLQesv21a                0                 0   \n",
-       "2019-08-05 16:00:00+03:00  dvWdLQesv21a                0                 0   \n",
-       "2019-08-05 16:30:00+03:00  dvWdLQesv21a                1                 0   \n",
-       "2019-08-05 17:00:00+03:00  dvWdLQesv21a                0                 0   \n",
-       "2019-08-05 17:30:00+03:00  dvWdLQesv21a                0                 0   \n",
-       "\n",
-       "                           screen_off_count         device  \n",
-       "2019-08-05 15:30:00+03:00                 0  i8jmoIuoe12Mo  \n",
-       "2019-08-05 16:00:00+03:00                 0  i8jmoIuoe12Mo  \n",
-       "2019-08-05 16:30:00+03:00                 0  i8jmoIuoe12Mo  \n",
-       "2019-08-05 17:00:00+03:00                 1  i8jmoIuoe12Mo  \n",
-       "2019-08-05 17:30:00+03:00                 0  i8jmoIuoe12Mo  "
+       "                           screen_off_count  screen_use_count          user  \\\n",
+       "2019-08-05 15:30:00+03:00                 0                 0  dvWdLQesv21a   \n",
+       "2019-08-05 16:00:00+03:00                 0                 0  dvWdLQesv21a   \n",
+       "2019-08-05 16:30:00+03:00                 0                 0  dvWdLQesv21a   \n",
+       "2019-08-05 17:00:00+03:00                 1                 0  dvWdLQesv21a   \n",
+       "2019-08-05 17:30:00+03:00                 0                 0  dvWdLQesv21a   \n",
+       "\n",
+       "                                  device  screen_on_count  \n",
+       "2019-08-05 15:30:00+03:00  i8jmoIuoe12Mo                0  \n",
+       "2019-08-05 16:00:00+03:00  i8jmoIuoe12Mo                0  \n",
+       "2019-08-05 16:30:00+03:00  i8jmoIuoe12Mo                1  \n",
+       "2019-08-05 17:00:00+03:00  i8jmoIuoe12Mo                0  \n",
+       "2019-08-05 17:30:00+03:00  i8jmoIuoe12Mo                0  "
       ]
      },
      "execution_count": 13,
@@ -1351,79 +1351,79 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>user</th>\n",
-       "      <th>screen_on_count</th>\n",
-       "      <th>screen_use_count</th>\n",
        "      <th>screen_off_count</th>\n",
+       "      <th>screen_use_count</th>\n",
+       "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>screen_on_count</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>2019-08-05 15:32:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 15:52:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 16:12:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 16:32:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>1</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 16:52:41.009999990+03:00</th>\n",
-       "      <td>dvWdLQesv21a</td>\n",
-       "      <td>0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>0</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                             user  screen_on_count  \\\n",
-       "2019-08-05 15:32:41.009999990+03:00  dvWdLQesv21a                0   \n",
-       "2019-08-05 15:52:41.009999990+03:00  dvWdLQesv21a                0   \n",
-       "2019-08-05 16:12:41.009999990+03:00  dvWdLQesv21a                0   \n",
-       "2019-08-05 16:32:41.009999990+03:00  dvWdLQesv21a                1   \n",
-       "2019-08-05 16:52:41.009999990+03:00  dvWdLQesv21a                0   \n",
-       "\n",
-       "                                     screen_use_count  screen_off_count  \\\n",
+       "                                     screen_off_count  screen_use_count  \\\n",
        "2019-08-05 15:32:41.009999990+03:00                 0                 0   \n",
        "2019-08-05 15:52:41.009999990+03:00                 0                 0   \n",
        "2019-08-05 16:12:41.009999990+03:00                 0                 0   \n",
        "2019-08-05 16:32:41.009999990+03:00                 0                 0   \n",
        "2019-08-05 16:52:41.009999990+03:00                 0                 0   \n",
        "\n",
-       "                                            device  \n",
-       "2019-08-05 15:32:41.009999990+03:00  i8jmoIuoe12Mo  \n",
-       "2019-08-05 15:52:41.009999990+03:00  i8jmoIuoe12Mo  \n",
-       "2019-08-05 16:12:41.009999990+03:00  i8jmoIuoe12Mo  \n",
-       "2019-08-05 16:32:41.009999990+03:00  i8jmoIuoe12Mo  \n",
-       "2019-08-05 16:52:41.009999990+03:00  i8jmoIuoe12Mo  "
+       "                                             user         device  \\\n",
+       "2019-08-05 15:32:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-05 15:52:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-05 16:12:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-05 16:32:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-05 16:52:41.009999990+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "\n",
+       "                                     screen_on_count  \n",
+       "2019-08-05 15:32:41.009999990+03:00                0  \n",
+       "2019-08-05 15:52:41.009999990+03:00                0  \n",
+       "2019-08-05 16:12:41.009999990+03:00                0  \n",
+       "2019-08-05 16:32:41.009999990+03:00                1  \n",
+       "2019-08-05 16:52:41.009999990+03:00                0  "
       ]
      },
      "execution_count": 14,
@@ -1573,9 +1573,9 @@
        "      <th></th>\n",
        "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>screen_off_durationtotal</th>\n",
        "      <th>screen_use_durationtotal</th>\n",
        "      <th>screen_on_durationtotal</th>\n",
-       "      <th>screen_off_durationtotal</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
@@ -1584,23 +1584,23 @@
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>3000.0</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>3000.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 16:40:00+03:00</th>\n",
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>3000.0</td>\n",
        "      <td>NaN</td>\n",
        "      <td>0.0</td>\n",
-       "      <td>3000.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 17:30:00+03:00</th>\n",
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
-       "      <td>3000.0</td>\n",
        "      <td>0.0</td>\n",
+       "      <td>3000.0</td>\n",
        "      <td>0.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -1616,8 +1616,8 @@
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
        "      <td>0.0</td>\n",
-       "      <td>3000.0</td>\n",
        "      <td>0.0</td>\n",
+       "      <td>3000.0</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -1631,19 +1631,19 @@
        "2019-08-05 18:20:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
        "2019-08-05 19:10:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
        "\n",
-       "                           screen_use_durationtotal  screen_on_durationtotal  \\\n",
-       "2019-08-05 15:50:00+03:00                       NaN                   3000.0   \n",
-       "2019-08-05 16:40:00+03:00                       NaN                      0.0   \n",
-       "2019-08-05 17:30:00+03:00                    3000.0                      0.0   \n",
-       "2019-08-05 18:20:00+03:00                       0.0                      0.0   \n",
-       "2019-08-05 19:10:00+03:00                       0.0                   3000.0   \n",
-       "\n",
-       "                           screen_off_durationtotal  \n",
-       "2019-08-05 15:50:00+03:00                       NaN  \n",
-       "2019-08-05 16:40:00+03:00                    3000.0  \n",
-       "2019-08-05 17:30:00+03:00                       0.0  \n",
-       "2019-08-05 18:20:00+03:00                       0.0  \n",
-       "2019-08-05 19:10:00+03:00                       0.0  "
+       "                           screen_off_durationtotal  screen_use_durationtotal  \\\n",
+       "2019-08-05 15:50:00+03:00                       NaN                       NaN   \n",
+       "2019-08-05 16:40:00+03:00                    3000.0                       NaN   \n",
+       "2019-08-05 17:30:00+03:00                       0.0                    3000.0   \n",
+       "2019-08-05 18:20:00+03:00                       0.0                       0.0   \n",
+       "2019-08-05 19:10:00+03:00                       0.0                       0.0   \n",
+       "\n",
+       "                           screen_on_durationtotal  \n",
+       "2019-08-05 15:50:00+03:00                   3000.0  \n",
+       "2019-08-05 16:40:00+03:00                      0.0  \n",
+       "2019-08-05 17:30:00+03:00                      0.0  \n",
+       "2019-08-05 18:20:00+03:00                      0.0  \n",
+       "2019-08-05 19:10:00+03:00                   3000.0  "
       ]
      },
      "execution_count": 19,
@@ -1694,12 +1694,12 @@
        "      <th></th>\n",
        "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>screen_off_durationtotal</th>\n",
        "      <th>screen_use_durationtotal</th>\n",
        "      <th>screen_on_durationtotal</th>\n",
-       "      <th>screen_off_durationtotal</th>\n",
-       "      <th>screen_on_count</th>\n",
-       "      <th>screen_use_count</th>\n",
        "      <th>screen_off_count</th>\n",
+       "      <th>screen_use_count</th>\n",
+       "      <th>screen_on_count</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
@@ -1708,29 +1708,29 @@
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>3000.0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>1</td>\n",
+       "      <td>3000.0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 16:40:00+03:00</th>\n",
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>3000.0</td>\n",
        "      <td>NaN</td>\n",
        "      <td>0.0</td>\n",
-       "      <td>3000.0</td>\n",
+       "      <td>1</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
-       "      <td>1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2019-08-05 17:30:00+03:00</th>\n",
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
-       "      <td>3000.0</td>\n",
        "      <td>0.0</td>\n",
+       "      <td>3000.0</td>\n",
        "      <td>0.0</td>\n",
        "      <td>0</td>\n",
        "      <td>1</td>\n",
@@ -1752,11 +1752,11 @@
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
        "      <td>0.0</td>\n",
-       "      <td>3000.0</td>\n",
        "      <td>0.0</td>\n",
-       "      <td>1</td>\n",
+       "      <td>3000.0</td>\n",
        "      <td>0</td>\n",
        "      <td>0</td>\n",
+       "      <td>1</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -1770,26 +1770,26 @@
        "2019-08-05 18:20:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
        "2019-08-05 19:10:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
        "\n",
-       "                           screen_use_durationtotal  screen_on_durationtotal  \\\n",
-       "2019-08-05 15:50:00+03:00                       NaN                   3000.0   \n",
-       "2019-08-05 16:40:00+03:00                       NaN                      0.0   \n",
-       "2019-08-05 17:30:00+03:00                    3000.0                      0.0   \n",
-       "2019-08-05 18:20:00+03:00                       0.0                      0.0   \n",
-       "2019-08-05 19:10:00+03:00                       0.0                   3000.0   \n",
-       "\n",
-       "                           screen_off_durationtotal  screen_on_count  \\\n",
-       "2019-08-05 15:50:00+03:00                       NaN                1   \n",
-       "2019-08-05 16:40:00+03:00                    3000.0                0   \n",
-       "2019-08-05 17:30:00+03:00                       0.0                0   \n",
-       "2019-08-05 18:20:00+03:00                       0.0                0   \n",
-       "2019-08-05 19:10:00+03:00                       0.0                1   \n",
-       "\n",
-       "                           screen_use_count  screen_off_count  \n",
-       "2019-08-05 15:50:00+03:00                 0                 0  \n",
-       "2019-08-05 16:40:00+03:00                 0                 1  \n",
-       "2019-08-05 17:30:00+03:00                 1                 0  \n",
-       "2019-08-05 18:20:00+03:00                 0                 0  \n",
-       "2019-08-05 19:10:00+03:00                 0                 0  "
+       "                           screen_off_durationtotal  screen_use_durationtotal  \\\n",
+       "2019-08-05 15:50:00+03:00                       NaN                       NaN   \n",
+       "2019-08-05 16:40:00+03:00                    3000.0                       NaN   \n",
+       "2019-08-05 17:30:00+03:00                       0.0                    3000.0   \n",
+       "2019-08-05 18:20:00+03:00                       0.0                       0.0   \n",
+       "2019-08-05 19:10:00+03:00                       0.0                       0.0   \n",
+       "\n",
+       "                           screen_on_durationtotal  screen_off_count  \\\n",
+       "2019-08-05 15:50:00+03:00                   3000.0                 0   \n",
+       "2019-08-05 16:40:00+03:00                      0.0                 1   \n",
+       "2019-08-05 17:30:00+03:00                      0.0                 0   \n",
+       "2019-08-05 18:20:00+03:00                      0.0                 0   \n",
+       "2019-08-05 19:10:00+03:00                   3000.0                 0   \n",
+       "\n",
+       "                           screen_use_count  screen_on_count  \n",
+       "2019-08-05 15:50:00+03:00                 0                1  \n",
+       "2019-08-05 16:40:00+03:00                 0                0  \n",
+       "2019-08-05 17:30:00+03:00                 1                0  \n",
+       "2019-08-05 18:20:00+03:00                 0                0  \n",
+       "2019-08-05 19:10:00+03:00                 0                1  "
       ]
      },
      "execution_count": 20,
@@ -1842,12 +1842,12 @@
        "      <th></th>\n",
        "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>screen_off_durationtotal</th>\n",
        "      <th>screen_use_durationtotal</th>\n",
        "      <th>screen_on_durationtotal</th>\n",
-       "      <th>screen_off_durationtotal</th>\n",
-       "      <th>screen_on_count</th>\n",
-       "      <th>screen_use_count</th>\n",
        "      <th>screen_off_count</th>\n",
+       "      <th>screen_use_count</th>\n",
+       "      <th>screen_on_count</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
@@ -1855,9 +1855,9 @@
        "      <th>2019-08-05 00:00:00+03:00</th>\n",
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>6000.000000</td>\n",
        "      <td>6000.000</td>\n",
        "      <td>9000.000</td>\n",
-       "      <td>6000.000000</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -1866,9 +1866,9 @@
        "      <th>2019-08-06 00:00:00+03:00</th>\n",
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>24000.000000</td>\n",
        "      <td>15000.000</td>\n",
        "      <td>27000.000</td>\n",
-       "      <td>24000.000000</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -1877,9 +1877,9 @@
        "      <th>2019-08-07 00:00:00+03:00</th>\n",
        "      <td>dvWdLQesv21a</td>\n",
        "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>15000.000000</td>\n",
        "      <td>15000.000</td>\n",
        "      <td>21000.000</td>\n",
-       "      <td>15000.000000</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -1888,9 +1888,9 @@
        "      <th>2019-08-05 00:00:00+03:00</th>\n",
        "      <td>iGyXetHE3S8u</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>287266.927999</td>\n",
        "      <td>1.189</td>\n",
        "      <td>276.382</td>\n",
-       "      <td>287266.927999</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -1899,9 +1899,9 @@
        "      <th>2019-08-06 00:00:00+03:00</th>\n",
        "      <td>iGyXetHE3S8u</td>\n",
        "      <td>Cq9vueHh3zVs</td>\n",
+       "      <td>0.000000</td>\n",
        "      <td>0.000</td>\n",
        "      <td>0.000</td>\n",
-       "      <td>0.000000</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -1918,26 +1918,26 @@
        "2019-08-05 00:00:00+03:00  iGyXetHE3S8u   Cq9vueHh3zVs   \n",
        "2019-08-06 00:00:00+03:00  iGyXetHE3S8u   Cq9vueHh3zVs   \n",
        "\n",
-       "                           screen_use_durationtotal  screen_on_durationtotal  \\\n",
-       "2019-08-05 00:00:00+03:00                  6000.000                 9000.000   \n",
-       "2019-08-06 00:00:00+03:00                 15000.000                27000.000   \n",
-       "2019-08-07 00:00:00+03:00                 15000.000                21000.000   \n",
-       "2019-08-05 00:00:00+03:00                     1.189                  276.382   \n",
-       "2019-08-06 00:00:00+03:00                     0.000                    0.000   \n",
-       "\n",
-       "                           screen_off_durationtotal  screen_on_count  \\\n",
-       "2019-08-05 00:00:00+03:00               6000.000000              NaN   \n",
-       "2019-08-06 00:00:00+03:00              24000.000000              NaN   \n",
-       "2019-08-07 00:00:00+03:00              15000.000000              NaN   \n",
-       "2019-08-05 00:00:00+03:00             287266.927999              NaN   \n",
-       "2019-08-06 00:00:00+03:00                  0.000000              NaN   \n",
-       "\n",
-       "                           screen_use_count  screen_off_count  \n",
-       "2019-08-05 00:00:00+03:00               NaN               NaN  \n",
-       "2019-08-06 00:00:00+03:00               NaN               NaN  \n",
-       "2019-08-07 00:00:00+03:00               NaN               NaN  \n",
-       "2019-08-05 00:00:00+03:00               NaN               NaN  \n",
-       "2019-08-06 00:00:00+03:00               NaN               NaN  "
+       "                           screen_off_durationtotal  screen_use_durationtotal  \\\n",
+       "2019-08-05 00:00:00+03:00               6000.000000                  6000.000   \n",
+       "2019-08-06 00:00:00+03:00              24000.000000                 15000.000   \n",
+       "2019-08-07 00:00:00+03:00              15000.000000                 15000.000   \n",
+       "2019-08-05 00:00:00+03:00             287266.927999                     1.189   \n",
+       "2019-08-06 00:00:00+03:00                  0.000000                     0.000   \n",
+       "\n",
+       "                           screen_on_durationtotal  screen_off_count  \\\n",
+       "2019-08-05 00:00:00+03:00                 9000.000               NaN   \n",
+       "2019-08-06 00:00:00+03:00                27000.000               NaN   \n",
+       "2019-08-07 00:00:00+03:00                21000.000               NaN   \n",
+       "2019-08-05 00:00:00+03:00                  276.382               NaN   \n",
+       "2019-08-06 00:00:00+03:00                    0.000               NaN   \n",
+       "\n",
+       "                           screen_use_count  screen_on_count  \n",
+       "2019-08-05 00:00:00+03:00               NaN              NaN  \n",
+       "2019-08-06 00:00:00+03:00               NaN              NaN  \n",
+       "2019-08-07 00:00:00+03:00               NaN              NaN  \n",
+       "2019-08-05 00:00:00+03:00               NaN              NaN  \n",
+       "2019-08-06 00:00:00+03:00               NaN              NaN  "
       ]
      },
      "execution_count": 21,
@@ -1981,12 +1981,12 @@
        "      <th></th>\n",
        "      <th>user</th>\n",
        "      <th>device</th>\n",
+       "      <th>screen_off_durationtotal</th>\n",
        "      <th>screen_use_durationtotal</th>\n",
        "      <th>screen_on_durationtotal</th>\n",
-       "      <th>screen_off_durationtotal</th>\n",
-       "      <th>screen_on_count</th>\n",
-       "      <th>screen_use_count</th>\n",
        "      <th>screen_off_count</th>\n",
+       "      <th>screen_use_count</th>\n",
+       "      <th>screen_on_count</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
@@ -1997,9 +1997,9 @@
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>7.0</td>\n",
-       "      <td>5.0</td>\n",
        "      <td>8.0</td>\n",
+       "      <td>5.0</td>\n",
+       "      <td>7.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 05:05:00+02:00</th>\n",
@@ -2041,9 +2041,9 @@
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>12.0</td>\n",
-       "      <td>3.0</td>\n",
        "      <td>11.0</td>\n",
+       "      <td>3.0</td>\n",
+       "      <td>12.0</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -2057,26 +2057,26 @@
        "2020-01-09 15:05:00+02:00  jd9INuQ5BBlW  OWd1Uau8POix   \n",
        "2020-01-09 20:05:00+02:00  jd9INuQ5BBlW  OWd1Uau8POix   \n",
        "\n",
-       "                           screen_use_durationtotal  screen_on_durationtotal  \\\n",
-       "2020-01-09 00:05:00+02:00                       NaN                      NaN   \n",
-       "2020-01-09 05:05:00+02:00                       NaN                      NaN   \n",
-       "2020-01-09 10:05:00+02:00                       NaN                      NaN   \n",
-       "2020-01-09 15:05:00+02:00                       NaN                      NaN   \n",
-       "2020-01-09 20:05:00+02:00                       NaN                      NaN   \n",
-       "\n",
-       "                           screen_off_durationtotal  screen_on_count  \\\n",
-       "2020-01-09 00:05:00+02:00                       NaN              7.0   \n",
-       "2020-01-09 05:05:00+02:00                       NaN              0.0   \n",
-       "2020-01-09 10:05:00+02:00                       NaN              9.0   \n",
-       "2020-01-09 15:05:00+02:00                       NaN             17.0   \n",
-       "2020-01-09 20:05:00+02:00                       NaN             12.0   \n",
-       "\n",
-       "                           screen_use_count  screen_off_count  \n",
-       "2020-01-09 00:05:00+02:00               5.0               8.0  \n",
-       "2020-01-09 05:05:00+02:00               0.0               0.0  \n",
-       "2020-01-09 10:05:00+02:00               3.0               9.0  \n",
-       "2020-01-09 15:05:00+02:00               7.0              17.0  \n",
-       "2020-01-09 20:05:00+02:00               3.0              11.0  "
+       "                           screen_off_durationtotal  screen_use_durationtotal  \\\n",
+       "2020-01-09 00:05:00+02:00                       NaN                       NaN   \n",
+       "2020-01-09 05:05:00+02:00                       NaN                       NaN   \n",
+       "2020-01-09 10:05:00+02:00                       NaN                       NaN   \n",
+       "2020-01-09 15:05:00+02:00                       NaN                       NaN   \n",
+       "2020-01-09 20:05:00+02:00                       NaN                       NaN   \n",
+       "\n",
+       "                           screen_on_durationtotal  screen_off_count  \\\n",
+       "2020-01-09 00:05:00+02:00                      NaN               8.0   \n",
+       "2020-01-09 05:05:00+02:00                      NaN               0.0   \n",
+       "2020-01-09 10:05:00+02:00                      NaN               9.0   \n",
+       "2020-01-09 15:05:00+02:00                      NaN              17.0   \n",
+       "2020-01-09 20:05:00+02:00                      NaN              11.0   \n",
+       "\n",
+       "                           screen_use_count  screen_on_count  \n",
+       "2020-01-09 00:05:00+02:00               5.0              7.0  \n",
+       "2020-01-09 05:05:00+02:00               0.0              0.0  \n",
+       "2020-01-09 10:05:00+02:00               3.0              9.0  \n",
+       "2020-01-09 15:05:00+02:00               7.0             17.0  \n",
+       "2020-01-09 20:05:00+02:00               3.0             12.0  "
       ]
      },
      "execution_count": 22,
@@ -2155,24 +2155,24 @@
        "      <th></th>\n",
        "      <th>user</th>\n",
        "      <th>device</th>\n",
-       "      <th>screen_on_count</th>\n",
-       "      <th>screen_use_count</th>\n",
        "      <th>screen_off_count</th>\n",
+       "      <th>screen_use_count</th>\n",
+       "      <th>screen_on_count</th>\n",
+       "      <th>screen_off_durationtotal</th>\n",
        "      <th>screen_use_durationtotal</th>\n",
        "      <th>screen_on_durationtotal</th>\n",
-       "      <th>screen_off_durationtotal</th>\n",
-       "      <th>screen_off_durationminimum</th>\n",
        "      <th>screen_on_durationminimum</th>\n",
+       "      <th>screen_off_durationminimum</th>\n",
        "      <th>...</th>\n",
-       "      <th>screen_use_durationmean</th>\n",
-       "      <th>screen_on_durationmean</th>\n",
        "      <th>screen_off_durationmean</th>\n",
-       "      <th>screen_use_durationmedian</th>\n",
-       "      <th>screen_off_durationmedian</th>\n",
+       "      <th>screen_on_durationmean</th>\n",
+       "      <th>screen_use_durationmean</th>\n",
        "      <th>screen_on_durationmedian</th>\n",
-       "      <th>screen_use_durationstd</th>\n",
+       "      <th>screen_off_durationmedian</th>\n",
+       "      <th>screen_use_durationmedian</th>\n",
        "      <th>screen_off_durationstd</th>\n",
        "      <th>screen_on_durationstd</th>\n",
+       "      <th>screen_use_durationstd</th>\n",
        "      <th>first_unlock</th>\n",
        "    </tr>\n",
        "  </thead>\n",
@@ -2208,18 +2208,18 @@
        "      <td>1.0</td>\n",
        "      <td>1.0</td>\n",
        "      <td>1.0</td>\n",
+       "      <td>0.005</td>\n",
        "      <td>28.930</td>\n",
        "      <td>8.253</td>\n",
-       "      <td>0.005</td>\n",
-       "      <td>0.005</td>\n",
        "      <td>8.253</td>\n",
+       "      <td>0.005</td>\n",
        "      <td>...</td>\n",
-       "      <td>28.930</td>\n",
-       "      <td>8.253000</td>\n",
        "      <td>0.005000</td>\n",
+       "      <td>8.253000</td>\n",
        "      <td>28.930</td>\n",
-       "      <td>0.005</td>\n",
        "      <td>8.2530</td>\n",
+       "      <td>0.005</td>\n",
+       "      <td>28.930</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -2229,48 +2229,48 @@
        "      <th>2020-01-09 21:00:00+02:00</th>\n",
        "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
-       "      <td>2.0</td>\n",
        "      <td>1.0</td>\n",
        "      <td>1.0</td>\n",
+       "      <td>2.0</td>\n",
+       "      <td>0.010</td>\n",
        "      <td>39.087</td>\n",
        "      <td>11.158</td>\n",
-       "      <td>0.010</td>\n",
-       "      <td>0.010</td>\n",
        "      <td>5.234</td>\n",
+       "      <td>0.010</td>\n",
        "      <td>...</td>\n",
-       "      <td>39.087</td>\n",
-       "      <td>5.579000</td>\n",
        "      <td>0.010000</td>\n",
+       "      <td>5.579000</td>\n",
        "      <td>39.087</td>\n",
-       "      <td>0.010</td>\n",
        "      <td>5.5790</td>\n",
-       "      <td>NaN</td>\n",
+       "      <td>0.010</td>\n",
+       "      <td>39.087</td>\n",
        "      <td>NaN</td>\n",
        "      <td>0.487904</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>NaT</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2020-01-09 21:30:00+02:00</th>\n",
        "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>1.0</td>\n",
        "      <td>5.0</td>\n",
+       "      <td>1.0</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>46.028</td>\n",
        "      <td>101.062</td>\n",
        "      <td>376.930</td>\n",
-       "      <td>46.028</td>\n",
-       "      <td>0.006</td>\n",
        "      <td>33.834</td>\n",
+       "      <td>0.006</td>\n",
        "      <td>...</td>\n",
-       "      <td>101.062</td>\n",
-       "      <td>94.232500</td>\n",
        "      <td>9.205600</td>\n",
+       "      <td>94.232500</td>\n",
        "      <td>101.062</td>\n",
-       "      <td>0.012</td>\n",
        "      <td>73.2835</td>\n",
-       "      <td>NaN</td>\n",
+       "      <td>0.012</td>\n",
+       "      <td>101.062</td>\n",
        "      <td>20.561987</td>\n",
        "      <td>71.990324</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>NaT</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -2280,18 +2280,18 @@
        "      <td>1.0</td>\n",
        "      <td>0.0</td>\n",
        "      <td>1.0</td>\n",
+       "      <td>0.011</td>\n",
        "      <td>NaN</td>\n",
        "      <td>154.643</td>\n",
-       "      <td>0.011</td>\n",
-       "      <td>0.011</td>\n",
        "      <td>154.643</td>\n",
+       "      <td>0.011</td>\n",
        "      <td>...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>154.643000</td>\n",
        "      <td>0.011000</td>\n",
+       "      <td>154.643000</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>0.011</td>\n",
        "      <td>154.6430</td>\n",
+       "      <td>0.011</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -2304,8 +2304,8 @@
        "      <td>0.0</td>\n",
        "      <td>0.0</td>\n",
        "      <td>0.0</td>\n",
-       "      <td>NaN</td>\n",
        "      <td>0.000</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>0.000</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -2325,24 +2325,24 @@
        "      <th>2020-01-09 23:00:00+02:00</th>\n",
        "      <td>jd9INuQ5BBlW</td>\n",
        "      <td>OWd1Uau8POix</td>\n",
-       "      <td>4.0</td>\n",
-       "      <td>0.0</td>\n",
        "      <td>3.0</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>4.0</td>\n",
+       "      <td>0.025</td>\n",
        "      <td>NaN</td>\n",
        "      <td>6.931</td>\n",
-       "      <td>0.025</td>\n",
-       "      <td>0.008</td>\n",
        "      <td>2.079</td>\n",
+       "      <td>0.008</td>\n",
        "      <td>...</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>2.310333</td>\n",
        "      <td>0.008333</td>\n",
+       "      <td>2.310333</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>0.008</td>\n",
        "      <td>2.2620</td>\n",
+       "      <td>0.008</td>\n",
        "      <td>NaN</td>\n",
        "      <td>0.000577</td>\n",
        "      <td>0.258906</td>\n",
+       "      <td>NaN</td>\n",
        "      <td>NaT</td>\n",
        "    </tr>\n",
        "    <tr>\n",
@@ -2423,101 +2423,89 @@
        "</div>"
       ],
       "text/plain": [
-       "                                   user         device  screen_on_count  \\\n",
-       "2020-01-09 20:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix              0.0   \n",
-       "2020-01-09 20:30:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix              1.0   \n",
-       "2020-01-09 21:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix              2.0   \n",
-       "2020-01-09 21:30:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix              4.0   \n",
-       "2020-01-09 22:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix              1.0   \n",
-       "2020-01-09 22:30:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix              0.0   \n",
-       "2020-01-09 23:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix              4.0   \n",
-       "2019-08-05 00:00:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo              NaN   \n",
-       "2019-08-05 00:00:00+03:00  iGyXetHE3S8u   Cq9vueHh3zVs              NaN   \n",
-       "2020-01-09 00:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix              NaN   \n",
-       "\n",
-       "                           screen_use_count  screen_off_count  \\\n",
-       "2020-01-09 20:00:00+02:00               0.0               0.0   \n",
-       "2020-01-09 20:30:00+02:00               1.0               1.0   \n",
-       "2020-01-09 21:00:00+02:00               1.0               1.0   \n",
-       "2020-01-09 21:30:00+02:00               1.0               5.0   \n",
-       "2020-01-09 22:00:00+02:00               0.0               1.0   \n",
-       "2020-01-09 22:30:00+02:00               0.0               0.0   \n",
-       "2020-01-09 23:00:00+02:00               0.0               3.0   \n",
-       "2019-08-05 00:00:00+03:00               NaN               NaN   \n",
-       "2019-08-05 00:00:00+03:00               NaN               NaN   \n",
-       "2020-01-09 00:00:00+02:00               NaN               NaN   \n",
-       "\n",
-       "                           screen_use_durationtotal  screen_on_durationtotal  \\\n",
-       "2020-01-09 20:00:00+02:00                     0.000                    0.000   \n",
-       "2020-01-09 20:30:00+02:00                    28.930                    8.253   \n",
-       "2020-01-09 21:00:00+02:00                    39.087                   11.158   \n",
-       "2020-01-09 21:30:00+02:00                   101.062                  376.930   \n",
-       "2020-01-09 22:00:00+02:00                       NaN                  154.643   \n",
-       "2020-01-09 22:30:00+02:00                       NaN                    0.000   \n",
-       "2020-01-09 23:00:00+02:00                       NaN                    6.931   \n",
-       "2019-08-05 00:00:00+03:00                       NaN                      NaN   \n",
-       "2019-08-05 00:00:00+03:00                       NaN                      NaN   \n",
-       "2020-01-09 00:00:00+02:00                       NaN                      NaN   \n",
-       "\n",
-       "                           screen_off_durationtotal  \\\n",
-       "2020-01-09 20:00:00+02:00                     0.000   \n",
-       "2020-01-09 20:30:00+02:00                     0.005   \n",
-       "2020-01-09 21:00:00+02:00                     0.010   \n",
-       "2020-01-09 21:30:00+02:00                    46.028   \n",
-       "2020-01-09 22:00:00+02:00                     0.011   \n",
-       "2020-01-09 22:30:00+02:00                     0.000   \n",
-       "2020-01-09 23:00:00+02:00                     0.025   \n",
-       "2019-08-05 00:00:00+03:00                       NaN   \n",
-       "2019-08-05 00:00:00+03:00                       NaN   \n",
-       "2020-01-09 00:00:00+02:00                       NaN   \n",
-       "\n",
-       "                           screen_off_durationminimum  \\\n",
-       "2020-01-09 20:00:00+02:00                         NaN   \n",
-       "2020-01-09 20:30:00+02:00                       0.005   \n",
-       "2020-01-09 21:00:00+02:00                       0.010   \n",
-       "2020-01-09 21:30:00+02:00                       0.006   \n",
-       "2020-01-09 22:00:00+02:00                       0.011   \n",
-       "2020-01-09 22:30:00+02:00                         NaN   \n",
-       "2020-01-09 23:00:00+02:00                       0.008   \n",
-       "2019-08-05 00:00:00+03:00                         NaN   \n",
-       "2019-08-05 00:00:00+03:00                         NaN   \n",
-       "2020-01-09 00:00:00+02:00                         NaN   \n",
-       "\n",
-       "                           screen_on_durationminimum  ...  \\\n",
-       "2020-01-09 20:00:00+02:00                        NaN  ...   \n",
-       "2020-01-09 20:30:00+02:00                      8.253  ...   \n",
-       "2020-01-09 21:00:00+02:00                      5.234  ...   \n",
-       "2020-01-09 21:30:00+02:00                     33.834  ...   \n",
-       "2020-01-09 22:00:00+02:00                    154.643  ...   \n",
-       "2020-01-09 22:30:00+02:00                        NaN  ...   \n",
-       "2020-01-09 23:00:00+02:00                      2.079  ...   \n",
-       "2019-08-05 00:00:00+03:00                        NaN  ...   \n",
-       "2019-08-05 00:00:00+03:00                        NaN  ...   \n",
-       "2020-01-09 00:00:00+02:00                        NaN  ...   \n",
-       "\n",
-       "                           screen_use_durationmean  screen_on_durationmean  \\\n",
+       "                                   user         device  screen_off_count  \\\n",
+       "2020-01-09 20:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix               0.0   \n",
+       "2020-01-09 20:30:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix               1.0   \n",
+       "2020-01-09 21:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix               1.0   \n",
+       "2020-01-09 21:30:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix               5.0   \n",
+       "2020-01-09 22:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix               1.0   \n",
+       "2020-01-09 22:30:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix               0.0   \n",
+       "2020-01-09 23:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix               3.0   \n",
+       "2019-08-05 00:00:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo               NaN   \n",
+       "2019-08-05 00:00:00+03:00  iGyXetHE3S8u   Cq9vueHh3zVs               NaN   \n",
+       "2020-01-09 00:00:00+02:00  jd9INuQ5BBlW   OWd1Uau8POix               NaN   \n",
+       "\n",
+       "                           screen_use_count  screen_on_count  \\\n",
+       "2020-01-09 20:00:00+02:00               0.0              0.0   \n",
+       "2020-01-09 20:30:00+02:00               1.0              1.0   \n",
+       "2020-01-09 21:00:00+02:00               1.0              2.0   \n",
+       "2020-01-09 21:30:00+02:00               1.0              4.0   \n",
+       "2020-01-09 22:00:00+02:00               0.0              1.0   \n",
+       "2020-01-09 22:30:00+02:00               0.0              0.0   \n",
+       "2020-01-09 23:00:00+02:00               0.0              4.0   \n",
+       "2019-08-05 00:00:00+03:00               NaN              NaN   \n",
+       "2019-08-05 00:00:00+03:00               NaN              NaN   \n",
+       "2020-01-09 00:00:00+02:00               NaN              NaN   \n",
+       "\n",
+       "                           screen_off_durationtotal  screen_use_durationtotal  \\\n",
+       "2020-01-09 20:00:00+02:00                     0.000                     0.000   \n",
+       "2020-01-09 20:30:00+02:00                     0.005                    28.930   \n",
+       "2020-01-09 21:00:00+02:00                     0.010                    39.087   \n",
+       "2020-01-09 21:30:00+02:00                    46.028                   101.062   \n",
+       "2020-01-09 22:00:00+02:00                     0.011                       NaN   \n",
+       "2020-01-09 22:30:00+02:00                     0.000                       NaN   \n",
+       "2020-01-09 23:00:00+02:00                     0.025                       NaN   \n",
+       "2019-08-05 00:00:00+03:00                       NaN                       NaN   \n",
+       "2019-08-05 00:00:00+03:00                       NaN                       NaN   \n",
+       "2020-01-09 00:00:00+02:00                       NaN                       NaN   \n",
+       "\n",
+       "                           screen_on_durationtotal  screen_on_durationminimum  \\\n",
+       "2020-01-09 20:00:00+02:00                    0.000                        NaN   \n",
+       "2020-01-09 20:30:00+02:00                    8.253                      8.253   \n",
+       "2020-01-09 21:00:00+02:00                   11.158                      5.234   \n",
+       "2020-01-09 21:30:00+02:00                  376.930                     33.834   \n",
+       "2020-01-09 22:00:00+02:00                  154.643                    154.643   \n",
+       "2020-01-09 22:30:00+02:00                    0.000                        NaN   \n",
+       "2020-01-09 23:00:00+02:00                    6.931                      2.079   \n",
+       "2019-08-05 00:00:00+03:00                      NaN                        NaN   \n",
+       "2019-08-05 00:00:00+03:00                      NaN                        NaN   \n",
+       "2020-01-09 00:00:00+02:00                      NaN                        NaN   \n",
+       "\n",
+       "                           screen_off_durationminimum  ...  \\\n",
+       "2020-01-09 20:00:00+02:00                         NaN  ...   \n",
+       "2020-01-09 20:30:00+02:00                       0.005  ...   \n",
+       "2020-01-09 21:00:00+02:00                       0.010  ...   \n",
+       "2020-01-09 21:30:00+02:00                       0.006  ...   \n",
+       "2020-01-09 22:00:00+02:00                       0.011  ...   \n",
+       "2020-01-09 22:30:00+02:00                         NaN  ...   \n",
+       "2020-01-09 23:00:00+02:00                       0.008  ...   \n",
+       "2019-08-05 00:00:00+03:00                         NaN  ...   \n",
+       "2019-08-05 00:00:00+03:00                         NaN  ...   \n",
+       "2020-01-09 00:00:00+02:00                         NaN  ...   \n",
+       "\n",
+       "                           screen_off_durationmean  screen_on_durationmean  \\\n",
        "2020-01-09 20:00:00+02:00                      NaN                     NaN   \n",
-       "2020-01-09 20:30:00+02:00                   28.930                8.253000   \n",
-       "2020-01-09 21:00:00+02:00                   39.087                5.579000   \n",
-       "2020-01-09 21:30:00+02:00                  101.062               94.232500   \n",
-       "2020-01-09 22:00:00+02:00                      NaN              154.643000   \n",
+       "2020-01-09 20:30:00+02:00                 0.005000                8.253000   \n",
+       "2020-01-09 21:00:00+02:00                 0.010000                5.579000   \n",
+       "2020-01-09 21:30:00+02:00                 9.205600               94.232500   \n",
+       "2020-01-09 22:00:00+02:00                 0.011000              154.643000   \n",
        "2020-01-09 22:30:00+02:00                      NaN                     NaN   \n",
-       "2020-01-09 23:00:00+02:00                      NaN                2.310333   \n",
+       "2020-01-09 23:00:00+02:00                 0.008333                2.310333   \n",
        "2019-08-05 00:00:00+03:00                      NaN                     NaN   \n",
        "2019-08-05 00:00:00+03:00                      NaN                     NaN   \n",
        "2020-01-09 00:00:00+02:00                      NaN                     NaN   \n",
        "\n",
-       "                           screen_off_durationmean  screen_use_durationmedian  \\\n",
-       "2020-01-09 20:00:00+02:00                      NaN                        NaN   \n",
-       "2020-01-09 20:30:00+02:00                 0.005000                     28.930   \n",
-       "2020-01-09 21:00:00+02:00                 0.010000                     39.087   \n",
-       "2020-01-09 21:30:00+02:00                 9.205600                    101.062   \n",
-       "2020-01-09 22:00:00+02:00                 0.011000                        NaN   \n",
-       "2020-01-09 22:30:00+02:00                      NaN                        NaN   \n",
-       "2020-01-09 23:00:00+02:00                 0.008333                        NaN   \n",
-       "2019-08-05 00:00:00+03:00                      NaN                        NaN   \n",
-       "2019-08-05 00:00:00+03:00                      NaN                        NaN   \n",
-       "2020-01-09 00:00:00+02:00                      NaN                        NaN   \n",
+       "                           screen_use_durationmean  screen_on_durationmedian  \\\n",
+       "2020-01-09 20:00:00+02:00                      NaN                       NaN   \n",
+       "2020-01-09 20:30:00+02:00                   28.930                    8.2530   \n",
+       "2020-01-09 21:00:00+02:00                   39.087                    5.5790   \n",
+       "2020-01-09 21:30:00+02:00                  101.062                   73.2835   \n",
+       "2020-01-09 22:00:00+02:00                      NaN                  154.6430   \n",
+       "2020-01-09 22:30:00+02:00                      NaN                       NaN   \n",
+       "2020-01-09 23:00:00+02:00                      NaN                    2.2620   \n",
+       "2019-08-05 00:00:00+03:00                      NaN                       NaN   \n",
+       "2019-08-05 00:00:00+03:00                      NaN                       NaN   \n",
+       "2020-01-09 00:00:00+02:00                      NaN                       NaN   \n",
        "\n",
        "                           screen_off_durationmedian  \\\n",
        "2020-01-09 20:00:00+02:00                        NaN   \n",
@@ -2531,29 +2519,29 @@
        "2019-08-05 00:00:00+03:00                        NaN   \n",
        "2020-01-09 00:00:00+02:00                        NaN   \n",
        "\n",
-       "                           screen_on_durationmedian  screen_use_durationstd  \\\n",
-       "2020-01-09 20:00:00+02:00                       NaN                     NaN   \n",
-       "2020-01-09 20:30:00+02:00                    8.2530                     NaN   \n",
-       "2020-01-09 21:00:00+02:00                    5.5790                     NaN   \n",
-       "2020-01-09 21:30:00+02:00                   73.2835                     NaN   \n",
-       "2020-01-09 22:00:00+02:00                  154.6430                     NaN   \n",
-       "2020-01-09 22:30:00+02:00                       NaN                     NaN   \n",
-       "2020-01-09 23:00:00+02:00                    2.2620                     NaN   \n",
-       "2019-08-05 00:00:00+03:00                       NaN                     NaN   \n",
-       "2019-08-05 00:00:00+03:00                       NaN                     NaN   \n",
-       "2020-01-09 00:00:00+02:00                       NaN                     NaN   \n",
-       "\n",
-       "                           screen_off_durationstd  screen_on_durationstd  \\\n",
-       "2020-01-09 20:00:00+02:00                     NaN                    NaN   \n",
-       "2020-01-09 20:30:00+02:00                     NaN                    NaN   \n",
-       "2020-01-09 21:00:00+02:00                     NaN               0.487904   \n",
-       "2020-01-09 21:30:00+02:00               20.561987              71.990324   \n",
-       "2020-01-09 22:00:00+02:00                     NaN                    NaN   \n",
-       "2020-01-09 22:30:00+02:00                     NaN                    NaN   \n",
-       "2020-01-09 23:00:00+02:00                0.000577               0.258906   \n",
-       "2019-08-05 00:00:00+03:00                     NaN                    NaN   \n",
-       "2019-08-05 00:00:00+03:00                     NaN                    NaN   \n",
-       "2020-01-09 00:00:00+02:00                     NaN                    NaN   \n",
+       "                           screen_use_durationmedian  screen_off_durationstd  \\\n",
+       "2020-01-09 20:00:00+02:00                        NaN                     NaN   \n",
+       "2020-01-09 20:30:00+02:00                     28.930                     NaN   \n",
+       "2020-01-09 21:00:00+02:00                     39.087                     NaN   \n",
+       "2020-01-09 21:30:00+02:00                    101.062               20.561987   \n",
+       "2020-01-09 22:00:00+02:00                        NaN                     NaN   \n",
+       "2020-01-09 22:30:00+02:00                        NaN                     NaN   \n",
+       "2020-01-09 23:00:00+02:00                        NaN                0.000577   \n",
+       "2019-08-05 00:00:00+03:00                        NaN                     NaN   \n",
+       "2019-08-05 00:00:00+03:00                        NaN                     NaN   \n",
+       "2020-01-09 00:00:00+02:00                        NaN                     NaN   \n",
+       "\n",
+       "                           screen_on_durationstd  screen_use_durationstd  \\\n",
+       "2020-01-09 20:00:00+02:00                    NaN                     NaN   \n",
+       "2020-01-09 20:30:00+02:00                    NaN                     NaN   \n",
+       "2020-01-09 21:00:00+02:00               0.487904                     NaN   \n",
+       "2020-01-09 21:30:00+02:00              71.990324                     NaN   \n",
+       "2020-01-09 22:00:00+02:00                    NaN                     NaN   \n",
+       "2020-01-09 22:30:00+02:00                    NaN                     NaN   \n",
+       "2020-01-09 23:00:00+02:00               0.258906                     NaN   \n",
+       "2019-08-05 00:00:00+03:00                    NaN                     NaN   \n",
+       "2019-08-05 00:00:00+03:00                    NaN                     NaN   \n",
+       "2020-01-09 00:00:00+02:00                    NaN                     NaN   \n",
        "\n",
        "                                                 first_unlock  \n",
        "2020-01-09 20:00:00+02:00                                 NaT  \n",
@@ -2605,19 +2593,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "def screen_last_unlock(df, bat, config=None):\n",
-    "    if not \"screen_column_name\" in config:\n",
-    "        col_name = \"screen_status\"\n",
-    "    else:\n",
-    "        col_name = config[\"screen_column_name\"]\n",
-    "    if not \"resample_args\" in config.keys():\n",
-    "        config[\"resample_args\"] = {\"rule\":\"30T\"}\n",
-    "    \n",
-    "    df2 = s.util_screen(df, bat, config)\n",
-    "    df2 = s.event_classification_screen(df2, config)\n",
+    "def screen_last_unlock(df, bat, screen_column_name = \"screen_status\", resample_args = {\"rule\":\"30T\"}):    \n",
+    "    df2 = s.util_screen(df, bat, screen_column_name=screen_column_name)\n",
+    "    df2 = s.event_classification_screen(df2, screen_column_name=screen_column_name)\n",
     "    \n",
     "    df2[\"time\"] = df2.index\n",
-    "    result = df2[df2.on==1].groupby([\"user\", \"device\"])[\"time\"].resample(rule='1D').max()\n",
+    "    result = df2[df2.on==1].groupby([\"user\", \"device\"])[\"time\"].resample(**resample_args).max()\n",
     "    result = result.to_frame(name=\"first_unlock\")\n",
     "    result = result.reset_index([\"user\", \"device\"])\n",
     "    \n",
@@ -2638,28 +2619,14 @@
    "execution_count": 26,
    "id": "0ee78bf7",
    "metadata": {},
-   "outputs": [
-    {
-     "ename": "TypeError",
-     "evalue": "argument of type 'NoneType' is not iterable",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
-      "Cell \u001b[0;32mIn[26], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m customized_features \u001b[38;5;241m=\u001b[39m \u001b[43ms\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mextract_features_screen\u001b[49m\u001b[43m(\u001b[49m\u001b[43mdata\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mbat_data\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mfeatures\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43m{\u001b[49m\u001b[43mscreen_last_unlock\u001b[49m\u001b[43m:\u001b[49m\u001b[43m \u001b[49m\u001b[43m{\u001b[49m\u001b[43m}\u001b[49m\u001b[43m}\u001b[49m\u001b[43m)\u001b[49m\n",
-      "File \u001b[0;32m~/src/niimpy/niimpy/preprocessing/screen.py:585\u001b[0m, in \u001b[0;36mextract_features_screen\u001b[0;34m(df, bat, features)\u001b[0m\n\u001b[1;32m    583\u001b[0m computed_features \u001b[38;5;241m=\u001b[39m []\n\u001b[1;32m    584\u001b[0m \u001b[38;5;28;01mfor\u001b[39;00m feature, feature_arg \u001b[38;5;129;01min\u001b[39;00m features\u001b[38;5;241m.\u001b[39mitems():\n\u001b[0;32m--> 585\u001b[0m     computed_feature \u001b[38;5;241m=\u001b[39m \u001b[43mfeature\u001b[49m\u001b[43m(\u001b[49m\u001b[43mdf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mbat\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mfeature_arg\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    586\u001b[0m     computed_feature \u001b[38;5;241m=\u001b[39m util\u001b[38;5;241m.\u001b[39mset_conserved_index(computed_feature)\n\u001b[1;32m    587\u001b[0m     computed_features\u001b[38;5;241m.\u001b[39mappend(computed_feature)\n",
-      "Cell \u001b[0;32mIn[25], line 2\u001b[0m, in \u001b[0;36mscreen_last_unlock\u001b[0;34m(df, bat, config)\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mscreen_last_unlock\u001b[39m(df, bat, config\u001b[38;5;241m=\u001b[39m\u001b[38;5;28;01mNone\u001b[39;00m):\n\u001b[0;32m----> 2\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m \u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43mscreen_column_name\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m \u001b[49m\u001b[38;5;129;43;01min\u001b[39;49;00m\u001b[43m \u001b[49m\u001b[43mconfig\u001b[49m:\n\u001b[1;32m      3\u001b[0m         col_name \u001b[38;5;241m=\u001b[39m \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mscreen_status\u001b[39m\u001b[38;5;124m\"\u001b[39m\n\u001b[1;32m      4\u001b[0m     \u001b[38;5;28;01melse\u001b[39;00m:\n",
-      "\u001b[0;31mTypeError\u001b[0m: argument of type 'NoneType' is not iterable"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "customized_features = s.extract_features_screen(data, bat_data, features={screen_last_unlock: {}})"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 27,
    "id": "babdda7a",
    "metadata": {},
    "outputs": [
@@ -2691,56 +2658,56 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>2019-08-05 00:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>2019-08-05 14:49:45.596999936+03:00</td>\n",
+       "      <th>2019-08-05 16:30:00+03:00</th>\n",
+       "      <td>dvWdLQesv21a</td>\n",
+       "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>2019-08-05 16:32:41.009999990+03:00</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-06 00:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2019-08-05 17:00:00+03:00</th>\n",
+       "      <td>dvWdLQesv21a</td>\n",
+       "      <td>i8jmoIuoe12Mo</td>\n",
        "      <td>NaT</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-07 00:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
+       "      <th>2019-08-05 17:30:00+03:00</th>\n",
+       "      <td>dvWdLQesv21a</td>\n",
+       "      <td>i8jmoIuoe12Mo</td>\n",
        "      <td>NaT</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-08 00:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>2019-08-08 22:44:13.834000128+03:00</td>\n",
+       "      <th>2019-08-05 18:00:00+03:00</th>\n",
+       "      <td>dvWdLQesv21a</td>\n",
+       "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>NaT</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>2019-08-09 00:00:00+03:00</th>\n",
-       "      <td>iGyXetHE3S8u</td>\n",
-       "      <td>Cq9vueHh3zVs</td>\n",
-       "      <td>2019-08-09 07:50:33.224000+03:00</td>\n",
+       "      <th>2019-08-05 18:30:00+03:00</th>\n",
+       "      <td>dvWdLQesv21a</td>\n",
+       "      <td>i8jmoIuoe12Mo</td>\n",
+       "      <td>NaT</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                   user        device  \\\n",
-       "2019-08-05 00:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs   \n",
-       "2019-08-06 00:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs   \n",
-       "2019-08-07 00:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs   \n",
-       "2019-08-08 00:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs   \n",
-       "2019-08-09 00:00:00+03:00  iGyXetHE3S8u  Cq9vueHh3zVs   \n",
+       "                                   user         device  \\\n",
+       "2019-08-05 16:30:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-05 17:00:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-05 17:30:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-05 18:00:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
+       "2019-08-05 18:30:00+03:00  dvWdLQesv21a  i8jmoIuoe12Mo   \n",
        "\n",
        "                                                 first_unlock  \n",
-       "2019-08-05 00:00:00+03:00 2019-08-05 14:49:45.596999936+03:00  \n",
-       "2019-08-06 00:00:00+03:00                                 NaT  \n",
-       "2019-08-07 00:00:00+03:00                                 NaT  \n",
-       "2019-08-08 00:00:00+03:00 2019-08-08 22:44:13.834000128+03:00  \n",
-       "2019-08-09 00:00:00+03:00    2019-08-09 07:50:33.224000+03:00  "
+       "2019-08-05 16:30:00+03:00 2019-08-05 16:32:41.009999990+03:00  \n",
+       "2019-08-05 17:00:00+03:00                                 NaT  \n",
+       "2019-08-05 17:30:00+03:00                                 NaT  \n",
+       "2019-08-05 18:00:00+03:00                                 NaT  \n",
+       "2019-08-05 18:30:00+03:00                                 NaT  "
       ]
      },
-     "execution_count": 28,
+     "execution_count": 27,
      "metadata": {},
      "output_type": "execute_result"
     }