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 <p>You will get the same output you did as when you ran
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 <ol style="list-style-type: upper-alpha"><li><p>The <code>read.csv()</code> function has the argument ‘header’
 set to TRUE by default, this means the function always assumes the first
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diff --git a/404.html b/404.html
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diff --git a/LICENSE.html b/LICENSE.html
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--- a/LICENSE.html
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 <p>While your search results may return several tests, we list a few you
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@@ -3094,7 +3094,7 @@ <h3 class="callout-title">Exercise: Review the arguments of the
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   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>While your search results may return several tests, we list a few you
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@@ -3100,7 +3100,7 @@ <h3 class="callout-title">Exercise: Review the arguments of the
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 <div class="accordion-body">
 <ol style="list-style-type: upper-alpha">
 <li><p>The <code>read.csv()</code> function has the argument ‘header’
@@ -3315,7 +3315,7 @@ <h3 class="callout-title">Exercise: Revisiting modes and classess</h3>
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
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@@ -3631,7 +3631,7 @@ <h3 class="callout-title">Exercise: Subsetting a data frame</h3>
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   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
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 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha"><li>
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   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
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 <div class="codewrapper sourceCode" id="cb84">
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@@ -4490,7 +4490,7 @@ <h3 class="callout-title">Exercise: Putting it all together - data frames</h3>
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   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
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-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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 <div class="codewrapper sourceCode" id="cb91">
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@@ -6684,7 +6684,7 @@ <h3 class="callout-title">Challenge</h3>
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   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <div class="codewrapper sourceCode" id="cb25">
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@@ -6782,7 +6782,7 @@ <h3 class="callout-title">Challenge</h3>
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-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <div class="codewrapper sourceCode" id="cb30">
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@@ -6832,7 +6832,7 @@ <h3 class="callout-title">Challenge</h3>
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   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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 <div class="codewrapper sourceCode" id="cb32">
 <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -6880,7 +6880,7 @@ <h3 class="callout-title">Challenge</h3>
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 <div class="codewrapper sourceCode" id="cb34">
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@@ -7248,8 +7248,8 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/instructor/discuss.html b/instructor/discuss.html
index 27042f02..ff8bc4f3 100644
--- a/instructor/discuss.html
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   "dateCreated": "2018-03-12",
   "dateModified": "2024-07-02",
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index abf61ba9..9a3f8167 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -547,8 +547,8 @@ <h3 id="07-r-help-figure-1">Figure 1</h3>
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-  "dateModified": "2024-09-17",
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diff --git a/instructor/index.html b/instructor/index.html
index 4705db23..b596b78d 100644
--- a/instructor/index.html
+++ b/instructor/index.html
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   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
 <div class="accordion-body">
 <p>Follow the CRAN instructions for downloading the <a href="https://cran.r-project.org/bin/windows/base/" class="external-link">Windows
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   </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
 <div class="accordion-body">
 <p>Follow the CRAN instructions for downloading the <a href="https://cran.r-project.org/bin/macosx/" class="external-link">MacOS .pkg file</a>;
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 </button>
-<div id="collapseSpoiler3" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler3" aria-labelledby="headingSpoiler3">
+<div id="collapseSpoiler3" class="accordion-collapse collapse" aria-labelledby="headingSpoiler3" data-bs-parent="#accordionSpoiler3">
 <div class="accordion-body">
 <p>Follow the CRAN instructions for your <a href="https://cran.r-project.org/bin/linux/" class="external-link">Linux Distribution</a>; The
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 247a6aaa..bd447188 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
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-  "dateModified": "2024-09-17",
-  "datePublished": "2024-09-17"
+  "dateModified": "2024-09-24",
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diff --git a/instructor/key-points.html b/instructor/key-points.html
index 6f525913..e392e084 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
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   "dateCreated": "2018-03-12",
-  "dateModified": "2024-09-17",
-  "datePublished": "2024-09-17"
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diff --git a/instructor/profiles.html b/instructor/profiles.html
index 083a7cf3..d47f4e3a 100644
--- a/instructor/profiles.html
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@@ -364,8 +364,8 @@ <h1>Learner Profiles</h1>
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   "dateCreated": "2018-03-12",
-  "dateModified": "2024-09-17",
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diff --git a/instructor/reference.html b/instructor/reference.html
index de058b41..b337df74 100644
--- a/instructor/reference.html
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diff --git a/key-points.html b/key-points.html
index da4e3ab1..b52a7697 100644
--- a/key-points.html
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-  "dateModified": "2024-09-17",
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+  "dateModified": "2024-09-24",
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diff --git a/pkgdown.yml b/pkgdown.yml
index 67fedef6..eacd2348 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
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+pkgdown: 2.1.1
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index 62805668..166dbf33 100644
--- a/profiles.html
+++ b/profiles.html
@@ -364,8 +364,8 @@ <h1>Learner Profiles</h1>
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   "dateCreated": "2018-03-12",
-  "dateModified": "2024-09-17",
-  "datePublished": "2024-09-17"
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diff --git a/reference.html b/reference.html
index f2ac85b7..6c8f9028 100644
--- a/reference.html
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   "dateCreated": "2018-03-12",
   "dateModified": "2024-07-02",
-  "datePublished": "2024-09-17"
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