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 <p>The following can be used as R variables:</p>
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 <p>We would use the following R code to install the <code>ggplot2</code>
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 <p>The correct answers are b and c. Answer a will install, not load, the
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 <p>By keeping everything in a column the same, we allow ourselves to
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 <p>Converting character vectors to factors can be done using the
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 <p>One way of answering this question in R is to use the
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 <p>The following can be used as R variables:</p>
 <div class="codewrapper sourceCode" id="cb42">
@@ -1038,7 +1038,7 @@ <h3 class="callout-title">Challenge 4<a class="anchor" aria-label="anchor" href=
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 <div class="accordion-body">
 <p>We would use the following R code to install the <code>ggplot2</code>
 package:</p>
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 <p>The correct answers are b and c. Answer a will install, not load, the
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 <p>By keeping everything in a column the same, we allow ourselves to
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 <p>Converting character vectors to factors can be done using the
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index 08051aa9..3bb76823 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -432,8 +432,8 @@ <h3 id="07-plot-ggplot2-figure-7">Figure 7</h3>
   "url": "https://datacarpentry.github.io/r-intro-geospatial/instructor/images.html",
   "identifier": "https://datacarpentry.github.io/r-intro-geospatial/instructor/images.html",
   "dateCreated": "2018-04-05",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-07",
+  "datePublished": "2024-05-07"
 }
 
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diff --git a/instructor/index.html b/instructor/index.html
index 13521af0..484f971f 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -446,8 +446,8 @@ <h3 class="callout-title">Getting Started<a class="anchor" aria-label="anchor" h
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   "identifier": "https://datacarpentry.github.io/r-intro-geospatial/instructor/index.html",
   "dateCreated": "2018-04-05",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-07",
+  "datePublished": "2024-05-07"
 }
 
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 77e05496..c734f75c 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -548,8 +548,8 @@ <h3 id="08-writing-data-headingInstructor1">
   "url": "https://datacarpentry.github.io/r-intro-geospatial/instructor/instructor-notes.html",
   "identifier": "https://datacarpentry.github.io/r-intro-geospatial/instructor/instructor-notes.html",
   "dateCreated": "2018-04-05",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-07",
+  "datePublished": "2024-05-07"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 76b710de..2d478e36 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -446,8 +446,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://datacarpentry.github.io/r-intro-geospatial/instructor/key-points.html",
   "identifier": "https://datacarpentry.github.io/r-intro-geospatial/instructor/key-points.html",
   "dateCreated": "2018-04-05",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-07",
+  "datePublished": "2024-05-07"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 156ef9da..049c43f9 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -303,8 +303,8 @@ <h1>Learner Profiles</h1>
   "url": "https://datacarpentry.github.io/r-intro-geospatial/instructor/profiles.html",
   "identifier": "https://datacarpentry.github.io/r-intro-geospatial/instructor/profiles.html",
   "dateCreated": "2018-04-05",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-07",
+  "datePublished": "2024-05-07"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index 79d06487..0c02f067 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -660,7 +660,7 @@ <h1>Reference</h1>
   "identifier": "https://datacarpentry.github.io/r-intro-geospatial/instructor/reference.html",
   "dateCreated": "2018-04-05",
   "dateModified": "2024-03-12",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-07"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index e24ccb7e..ff263c90 100644
--- a/key-points.html
+++ b/key-points.html
@@ -444,8 +444,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://datacarpentry.github.io/r-intro-geospatial/key-points.html",
   "identifier": "https://datacarpentry.github.io/r-intro-geospatial/key-points.html",
   "dateCreated": "2018-04-05",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-07",
+  "datePublished": "2024-05-07"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index c6f9ac05..1170f30c 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 3.1.11
 pkgdown: 2.0.9
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-04-30T00:21Z
+last_built: 2024-05-07T00:24Z
 
diff --git a/profiles.html b/profiles.html
index 443e61d2..5c3bf9a7 100644
--- a/profiles.html
+++ b/profiles.html
@@ -303,8 +303,8 @@ <h1>Learner Profiles</h1>
   "url": "https://datacarpentry.github.io/r-intro-geospatial/profiles.html",
   "identifier": "https://datacarpentry.github.io/r-intro-geospatial/profiles.html",
   "dateCreated": "2018-04-05",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-07",
+  "datePublished": "2024-05-07"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 961fb1b0..79931707 100644
--- a/reference.html
+++ b/reference.html
@@ -658,7 +658,7 @@ <h1>Reference</h1>
   "identifier": "https://datacarpentry.github.io/r-intro-geospatial/reference.html",
   "dateCreated": "2018-04-05",
   "dateModified": "2024-03-12",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-07"
 }
 
   </script><script>