diff --git a/docs/explore.html b/docs/explore.html
index def0de8..12cfeed 100644
--- a/docs/explore.html
+++ b/docs/explore.html
@@ -217,7 +217,7 @@ <h1 class="title">Explore</h1>
 
 <div class="quarto-listing quarto-listing-container-grid" id="listing-listing">
 <div class="list grid quarto-listing-cols-3">
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+<div class="g-col-1" data-index="0" data-categories="Q29yZSUyQ1IlMjBCYXNpY3MlMkNEYXRhJTIwVHlwZXM=" data-listing-date-sort="1736776849000" data-listing-file-modified-sort="1736776849576" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="24" data-listing-word-count-sort="4739">
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 <p class="card-img-top"><img src="img/core/01_introduction/01_rstudio_interface_en.png" style="height: 150px;"  class="thumbnail-image card-img"/></p>
@@ -244,14 +244,14 @@ <h5 class="no-anchor card-title listing-title">
 
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 <div class="listing-date">
-Jan 10, 2025
+Jan 13, 2025
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+<div class="g-col-1" data-index="1" data-categories="Q29yZQ==" data-listing-date-sort="1736773165000" data-listing-file-modified-sort="1736773165328" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="3" data-listing-word-count-sort="543">
 <a href="./sessions_core/template.html" class="quarto-grid-link">
 <div class="quarto-grid-item card h-100 card-left">
 <p class="card-img-top">
diff --git a/docs/pathway.html b/docs/pathway.html
index d748d89..6f2929f 100644
--- a/docs/pathway.html
+++ b/docs/pathway.html
@@ -218,7 +218,7 @@ <h1 class="title">Pathway</h1>
 
 <div class="quarto-listing quarto-listing-container-default" id="listing-articles-links">
 <div class="list quarto-listing-default">
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+<div class="quarto-post image-right" data-index="0" data-categories="Q29yZSUyQ1IlMjBCYXNpY3MlMkNEYXRhJTIwVHlwZXM=" data-listing-date-sort="1736776849000" data-listing-file-modified-sort="1736776849576" data-listing-date-modified-sort="NaN" data-listing-reading-time-sort="24" data-listing-word-count-sort="4739">
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@@ -238,7 +238,7 @@ <h3 class="no-anchor listing-title">
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-Jan 10, 2025
+Jan 13, 2025
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diff --git a/docs/search.json b/docs/search.json
index 2d76544..4ef9931 100644
--- a/docs/search.json
+++ b/docs/search.json
@@ -11,7 +11,7 @@
     "href": "pathway.html",
     "title": "Pathway",
     "section": "",
-    "text": "These sessions can be followed in order to get a baseline level in R. The series assumes no prior experience in R and is suitable for beginners.\nLooking for more? Want more flexibility? Consider browsing the full session catalog.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nIntroduction to R\n\n\n\n\n\nYour first steps in R. Learn your way around Rstudio, and meet some common R objects.\n\n\n\n\n\nJan 10, 2025\n\n\n\n\n\n\nNo matching items"
+    "text": "These sessions can be followed in order to get a baseline level in R. The series assumes no prior experience in R and is suitable for beginners.\nLooking for more? Want more flexibility? Consider browsing the full session catalog.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nIntroduction to R\n\n\n\n\n\nYour first steps in R. Learn your way around Rstudio, and meet some common R objects.\n\n\n\n\n\nJan 13, 2025\n\n\n\n\n\n\nNo matching items"
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@@ -102,7 +102,7 @@
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     "title": "Introduction to R",
     "section": "The End!",
-    "text": "The End!\nThat’s all for this session, congratulations on taking your first steps in R and RStudio!"
+    "text": "The End!\nThat’s all for this session, congratulations on taking your first steps in R and RStudio!\nSolutions: code on github"
   },
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@@ -158,7 +158,7 @@
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+    "text": "Choose your own adventure by browsing all available sessions.\n\n\n\n\n\n\n\n\n\n\n\n\nIntroduction to R\n\n\n\nCore\n\n\nR Basics\n\n\nData Types\n\n\n\nYour first steps in R. Learn your way around Rstudio, and meet some common R objects.\n\n\n\n\n\n\nJan 13, 2025\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nSession Title\n\n\n\nCore\n\n\n\nShort description (appears on cards in pathway / explore pages)\n\n\n\n\n\n\nJan 13, 2025\n\n\n\n\n\n\n\n\nNo matching items"
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diff --git a/docs/sessions_core/01_introduction.html b/docs/sessions_core/01_introduction.html
index 5a7cded..2a25164 100644
--- a/docs/sessions_core/01_introduction.html
+++ b/docs/sessions_core/01_introduction.html
@@ -6,7 +6,7 @@
 
 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
 
-<meta name="dcterms.date" content="2025-01-10">
+<meta name="dcterms.date" content="2025-01-13">
 <meta name="description" content="Your first steps in R. Learn your way around Rstudio, and meet some common R objects.">
 
 <title>Introduction to R – {repicentre}</title>
@@ -218,7 +218,7 @@ <h1 class="title">Introduction to R</h1>
     <div>
     <div class="quarto-title-meta-heading">Published</div>
     <div class="quarto-title-meta-contents">
-      <p class="date">January 10, 2025</p>
+      <p class="date">January 13, 2025</p>
     </div>
   </div>
   
@@ -917,6 +917,7 @@ <h2 class="anchored" data-anchor-id="sec-functions">Functions</h2>
 <section id="the-end" class="level2">
 <h2 class="anchored" data-anchor-id="the-end">The End!</h2>
 <p>That’s all for this session, congratulations on taking your first steps in R and RStudio!</p>
+<p><strong>Solutions:</strong> <a href="https://github.com/epicentre-msf/repicentre/blob/main/sessions_core/01_introduction_solutions.R">code on github</a></p>
 
 
 </section>
diff --git a/sessions_core/01_introduction.qmd b/sessions_core/01_introduction.qmd
index 799e92f..b4245ed 100644
--- a/sessions_core/01_introduction.qmd
+++ b/sessions_core/01_introduction.qmd
@@ -688,3 +688,5 @@ mean(TRUE, cases)   # not what you expect
 ## The End!
 
 That's all for this session, congratulations on taking your first steps in R and RStudio! 
+
+**Solutions:** [code on github](https://github.com/epicentre-msf/repicentre/blob/main/sessions_core/01_introduction_solutions.R)