diff --git a/404.html b/404.html
index 1e31f6f..d8ea39c 100644
--- a/404.html
+++ b/404.html
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         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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@@ -264,8 +264,8 @@ <h1>Page not found</h1>
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   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/404.html",
   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
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 }
 
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diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 3ecf33b..24f7ee7 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -273,8 +273,8 @@ <h1>Contributor Code of Conduct</h1>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -296,7 +296,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/CODE_OF_CONDUCT.html",
   "dateCreated": "2023-06-21",
   "dateModified": "2023-08-15",
-  "datePublished": "2023-10-03"
+  "datePublished": "2023-10-10"
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diff --git a/LICENSE.html b/LICENSE.html
index 6755079..3722ef0 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -324,8 +324,8 @@ <h1>Licenses</h1>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -347,7 +347,7 @@ <h1>Licenses</h1>
   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/LICENSE.html",
   "dateCreated": "2023-06-21",
   "dateModified": "2023-08-15",
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+  "datePublished": "2023-10-10"
 }
 
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diff --git a/aio.html b/aio.html
index a9eb2fe..dd493cf 100644
--- a/aio.html
+++ b/aio.html
@@ -340,7 +340,7 @@ <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">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>This is a classification problem</li>
@@ -382,7 +382,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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 <div class="section level3">
 <h3 id="reading-in-the-features">Reading in the features:<a class="anchor" aria-label="anchor" href="#reading-in-the-features"></a>
@@ -437,7 +437,7 @@ <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">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Quickly explore the data:</p>
 <div class="codewrapper sourceCode" id="cb3">
@@ -549,7 +549,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>These are the minimum steps that need to happen, in this order:</p>
 <ol style="list-style-type: decimal">
@@ -596,7 +596,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>There is no right or wrong here.</p>
 <p>A good set to start with would be to pick 5 variables from 2019. The
@@ -658,7 +658,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -728,7 +728,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Select the numerical and categorical columns automatically:</p>
 <div class="codewrapper sourceCode" id="cb15">
@@ -784,7 +784,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb17">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -882,7 +882,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <p>You can best visualize the results using a confusion matrix:</p>
 <div class="codewrapper sourceCode" id="cb21">
@@ -926,7 +926,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <p>There are multiple ways to deal with this:</p>
 <ol style="list-style-type: decimal">
@@ -960,7 +960,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
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@@ -1030,7 +1030,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1119,7 +1119,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <p>There is no right or wrong, but here are some pointers:</p>
 <ul>
@@ -1171,8 +1171,8 @@ <h4 class="accordion-header" id="headingSolution14">
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
-        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
 			</div>
 		</footer>
 </div> <!-- / div.container -->
@@ -1194,8 +1194,8 @@ <h4 class="accordion-header" id="headingSolution14">
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   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/aio.html",
   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
-  "datePublished": "2023-10-03"
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+  "datePublished": "2023-10-10"
 }
 
   </script><script>
diff --git a/fertility-prediction.html b/fertility-prediction.html
index e34288d..a31a113 100644
--- a/fertility-prediction.html
+++ b/fertility-prediction.html
@@ -323,7 +323,7 @@ <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">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>This is a classification problem</li>
 <li>Inputs are the background data of the persons (for example gender,
@@ -360,7 +360,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="section level3">
 <h3 id="reading-in-the-features">Reading in the features:<a class="anchor" aria-label="anchor" href="#reading-in-the-features"></a></h3>
@@ -411,7 +411,7 @@ <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">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Quickly explore the data:</p>
 <div class="codewrapper sourceCode" id="cb3">
@@ -518,7 +518,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>These are the minimum steps that need to happen, in this order:</p>
 <ol style="list-style-type: decimal"><li>Select features</li>
@@ -560,7 +560,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>There is no right or wrong here.</p>
 <p>A good set to start with would be to pick 5 variables from 2019. The
@@ -618,7 +618,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -687,7 +687,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Select the numerical and categorical columns automatically:</p>
 <div class="codewrapper sourceCode" id="cb15">
@@ -742,7 +742,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb17">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -778,7 +778,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb18">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -836,7 +836,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <p>You can best visualize the results using a confusion matrix:</p>
 <div class="codewrapper sourceCode" id="cb21">
@@ -879,7 +879,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <p>There are multiple ways to deal with this:</p>
 <ol style="list-style-type: decimal"><li>Find a model that can handle unbalanced data better</li>
@@ -911,7 +911,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb22">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -978,7 +978,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb27">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1064,7 +1064,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <p>There is no right or wrong, but here are some pointers:</p>
 <ul><li>Include more features. You can think of automated feature selection
@@ -1125,8 +1125,8 @@ <h4 class="accordion-header" id="headingSolution14">
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
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-        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1148,7 +1148,7 @@ <h4 class="accordion-header" id="headingSolution14">
   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/fertility-prediction.html",
   "dateCreated": "2023-06-21",
   "dateModified": "2023-08-15",
-  "datePublished": "2023-10-03"
+  "datePublished": "2023-10-10"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index b0e8d7e..d4f9f87 100644
--- a/images.html
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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@@ -298,8 +298,8 @@ <h3 id="fertility-prediction-figure-2">Figure 2</h3>
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   "dateCreated": "2023-06-21",
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diff --git a/index.html b/index.html
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--- a/index.html
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-        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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@@ -273,8 +273,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/index.html",
   "dateCreated": "2023-06-21",
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diff --git a/instructor-notes.html b/instructor-notes.html
index 6c1d116..17c6b09 100644
--- a/instructor-notes.html
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@@ -278,8 +278,8 @@ <h1>Instructor Notes</h1>
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
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-        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 </div> <!-- / div.container -->
@@ -301,8 +301,8 @@ <h1>Instructor Notes</h1>
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   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/instructor-notes.html",
   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
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 }
 
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diff --git a/instructor/404.html b/instructor/404.html
index dcff936..3ab22f7 100644
--- a/instructor/404.html
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@@ -242,8 +242,8 @@ <h1>Page not found</h1>
         
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/instructor/404.html",
   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
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 }
 
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diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
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--- a/instructor/CODE_OF_CONDUCT.html
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         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -297,7 +297,7 @@ <h1>Contributor Code of Conduct</h1>
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   "dateCreated": "2023-06-21",
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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   "dateCreated": "2023-06-21",
   "dateModified": "2023-08-15",
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diff --git a/instructor/aio.html b/instructor/aio.html
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--- a/instructor/aio.html
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@@ -339,7 +339,7 @@ <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">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="section level3">
 <h3 id="reading-in-the-features">Reading in the features:<a class="anchor" aria-label="anchor" href="#reading-in-the-features"></a>
@@ -436,7 +436,7 @@ <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">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Quickly explore the data:</p>
 <div class="codewrapper sourceCode" id="cb3">
@@ -548,7 +548,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>These are the minimum steps that need to happen, in this order:</p>
 <ol style="list-style-type: decimal">
@@ -595,7 +595,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>There is no right or wrong here.</p>
 <p>A good set to start with would be to pick 5 variables from 2019. The
@@ -657,7 +657,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -727,7 +727,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Select the numerical and categorical columns automatically:</p>
 <div class="codewrapper sourceCode" id="cb15">
@@ -783,7 +783,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb17">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -820,7 +820,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb18">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -881,7 +881,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <p>You can best visualize the results using a confusion matrix:</p>
 <div class="codewrapper sourceCode" id="cb21">
@@ -925,7 +925,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <p>There are multiple ways to deal with this:</p>
 <ol style="list-style-type: decimal">
@@ -959,7 +959,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb22">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1029,7 +1029,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb27">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1118,7 +1118,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <p>There is no right or wrong, but here are some pointers:</p>
 <ul>
@@ -1170,8 +1170,8 @@ <h4 class="accordion-header" id="headingSolution14">
         
         <p><a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">Template licensed under CC-BY 4.0</a> by <a href="https://carpentries.org" class="external-link">The Carpentries</a></p>
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-        <a href="https://github.com/carpentries/pegboard/tree/0.7.0" class="external-link">pegboard (0.7.0)</a>,
-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 		</footer>
 </div> <!-- / div.container -->
@@ -1193,8 +1193,8 @@ <h4 class="accordion-header" id="headingSolution14">
   "url": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/instructor/aio.html",
   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/instructor/aio.html",
   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
-  "datePublished": "2023-10-03"
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diff --git a/instructor/fertility-prediction.html b/instructor/fertility-prediction.html
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--- a/instructor/fertility-prediction.html
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@@ -324,7 +324,7 @@ <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">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>This is a classification problem</li>
 <li>Inputs are the background data of the persons (for example gender,
@@ -361,7 +361,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="section level3">
 <h3 id="reading-in-the-features">Reading in the features:<a class="anchor" aria-label="anchor" href="#reading-in-the-features"></a></h3>
@@ -412,7 +412,7 @@ <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">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Quickly explore the data:</p>
 <div class="codewrapper sourceCode" id="cb3">
@@ -519,7 +519,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>These are the minimum steps that need to happen, in this order:</p>
 <ol style="list-style-type: decimal"><li>Select features</li>
@@ -561,7 +561,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>There is no right or wrong here.</p>
 <p>A good set to start with would be to pick 5 variables from 2019. The
@@ -619,7 +619,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -688,7 +688,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Select the numerical and categorical columns automatically:</p>
 <div class="codewrapper sourceCode" id="cb15">
@@ -743,7 +743,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb17">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -779,7 +779,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb18">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -837,7 +837,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <p>You can best visualize the results using a confusion matrix:</p>
 <div class="codewrapper sourceCode" id="cb21">
@@ -880,7 +880,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <p>There are multiple ways to deal with this:</p>
 <ol style="list-style-type: decimal"><li>Find a model that can handle unbalanced data better</li>
@@ -912,7 +912,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb22">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -979,7 +979,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb27">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1065,7 +1065,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <p>There is no right or wrong, but here are some pointers:</p>
 <ul><li>Include more features. You can think of automated feature selection
@@ -1126,8 +1126,8 @@ <h4 class="accordion-header" id="headingSolution14">
         
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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@@ -1149,7 +1149,7 @@ <h4 class="accordion-header" id="headingSolution14">
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index 25174c0..7c16deb 100644
--- a/instructor/images.html
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@@ -296,8 +296,8 @@ <h3 id="fertility-prediction-figure-2">Figure 2</h3>
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 }
 
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index 282f57e..2e13265 100644
--- a/instructor/index.html
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
-  "datePublished": "2023-10-03"
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 }
 
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index ca00f6e..a244fdc 100644
--- a/instructor/instructor-notes.html
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@@ -277,8 +277,8 @@ <h1>Instructor Notes</h1>
         
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 		</footer>
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@@ -300,8 +300,8 @@ <h1>Instructor Notes</h1>
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   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/instructor/instructor-notes.html",
   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
-  "datePublished": "2023-10-03"
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 }
 
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diff --git a/instructor/key-points.html b/instructor/key-points.html
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@@ -269,8 +269,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
         
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
 			</div>
 		</footer>
 </div> <!-- / div.container -->
@@ -292,8 +292,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
-  "datePublished": "2023-10-03"
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 }
 
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diff --git a/instructor/profiles.html b/instructor/profiles.html
index b787777..890c8da 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -226,8 +226,8 @@ <h1>Learner Profiles</h1>
         
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -248,8 +248,8 @@ <h1>Learner Profiles</h1>
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   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/instructor/profiles.html",
   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
-  "datePublished": "2023-10-03"
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 }
 
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diff --git a/instructor/reference.html b/instructor/reference.html
index b054932..fa19bbf 100644
--- a/instructor/reference.html
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@@ -267,8 +267,8 @@ <h1>Reference</h1>
         
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -290,7 +290,7 @@ <h1>Reference</h1>
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   "dateCreated": "2023-06-21",
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-  "datePublished": "2023-10-03"
+  "datePublished": "2023-10-10"
 }
 
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diff --git a/key-points.html b/key-points.html
index ad45dc0..7762a7b 100644
--- a/key-points.html
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@@ -271,8 +271,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
         
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 		</footer>
 </div> <!-- / div.container -->
@@ -294,8 +294,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
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diff --git a/pkgdown.yml b/pkgdown.yml
index 586c0e6..a072a60 100644
--- a/pkgdown.yml
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@@ -2,5 +2,5 @@ pandoc: 2.19.2
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+last_built: 2023-10-10T00:32Z
 
diff --git a/profiles.html b/profiles.html
index 15478b4..41c87c7 100644
--- a/profiles.html
+++ b/profiles.html
@@ -227,8 +227,8 @@ <h1>Learner Profiles</h1>
         
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         <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.14.0" class="external-link">sandpaper (0.14.0)</a>,
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -249,8 +249,8 @@ <h1>Learner Profiles</h1>
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   "identifier": "https://esciencecenter-digital-skills.github.io/fertility-prediction-assignment/profiles.html",
   "dateCreated": "2023-06-21",
-  "dateModified": "2023-10-03",
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 }
 
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diff --git a/reference.html b/reference.html
index 7149ae8..a8b0712 100644
--- a/reference.html
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@@ -266,8 +266,8 @@ <h1>Reference</h1>
         
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-      and <a href="https://github.com/carpentries/varnish/tree/0.3.0" class="external-link">varnish (0.3.0)</a>.</p>
+        <a href="https://github.com/carpentries/pegboard/tree/0.7.1" class="external-link">pegboard (0.7.1)</a>,
+      and <a href="https://github.com/carpentries/varnish/tree/0.3.1" class="external-link">varnish (0.3.1)</a>.</p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -289,7 +289,7 @@ <h1>Reference</h1>
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   "dateCreated": "2023-06-21",
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