diff --git a/doc/LectureNotes/_build/.doctrees/environment.pickle b/doc/LectureNotes/_build/.doctrees/environment.pickle
index 491d75ccc..a73e1c7ef 100644
Binary files a/doc/LectureNotes/_build/.doctrees/environment.pickle and b/doc/LectureNotes/_build/.doctrees/environment.pickle differ
diff --git a/doc/LectureNotes/_build/.doctrees/intro.doctree b/doc/LectureNotes/_build/.doctrees/intro.doctree
index cbf1d4025..60784b9da 100644
Binary files a/doc/LectureNotes/_build/.doctrees/intro.doctree and b/doc/LectureNotes/_build/.doctrees/intro.doctree differ
diff --git a/doc/LectureNotes/_build/html/exercisesweek38.html b/doc/LectureNotes/_build/html/exercisesweek38.html
index 03f8c3180..07ae7cebb 100644
--- a/doc/LectureNotes/_build/html/exercisesweek38.html
+++ b/doc/LectureNotes/_build/html/exercisesweek38.html
@@ -55,6 +55,8 @@ const thebe_selector_output = ".output, .cell_output"
     <script defer="defer" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
+    <link rel="next" title="Project 1 on Machine Learning, deadline October 9 (midnight), 2023" href="project1.html" />
+    <link rel="prev" title="Week 37: Statitsitcal interpretations and Resampling Methods" href="week37.html" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta name="docsearch:language" content="None">
     
@@ -245,7 +247,7 @@ const thebe_selector_output = ".output, .cell_output"
   Weekly material, notes and exercises
  </span>
 </p>
-<ul class="nav bd-sidenav">
+<ul class="current nav bd-sidenav">
  <li class="toctree-l1">
   <a class="reference internal" href="exercisesweek34.html">
    Exercises week 34
@@ -286,6 +288,11 @@ const thebe_selector_output = ".output, .cell_output"
    Week 37: Statitsitcal interpretations and Resampling Methods
   </a>
  </li>
+ <li class="toctree-l1 current active">
+  <a class="current reference internal" href="#">
+   Exercises week 38
+  </a>
+ </li>
 </ul>
 <p aria-level="2" class="caption" role="heading">
  <span class="caption-text">
@@ -490,7 +497,21 @@ You can follow the code example in the jupyter-book at <a class="reference exter
               
             
                 <!-- Previous / next buttons -->
-<div class='prev-next-area'>
+<div class='prev-next-area'> 
+    <a class='left-prev' id="prev-link" href="week37.html" title="previous page">
+        <i class="fas fa-angle-left"></i>
+        <div class="prev-next-info">
+            <p class="prev-next-subtitle">previous</p>
+            <p class="prev-next-title">Week 37: Statitsitcal interpretations and Resampling Methods</p>
+        </div>
+    </a>
+    <a class='right-next' id="next-link" href="project1.html" title="next page">
+    <div class="prev-next-info">
+        <p class="prev-next-subtitle">next</p>
+        <p class="prev-next-title">Project 1 on Machine Learning, deadline October 9 (midnight), 2023</p>
+    </div>
+    <i class="fas fa-angle-right"></i>
+    </a>
 </div>
             
         </div>
diff --git a/doc/LectureNotes/_build/html/genindex.html b/doc/LectureNotes/_build/html/genindex.html
index 3510efc2b..a3dd4c813 100644
--- a/doc/LectureNotes/_build/html/genindex.html
+++ b/doc/LectureNotes/_build/html/genindex.html
@@ -284,6 +284,11 @@ const thebe_selector_output = ".output, .cell_output"
    Week 37: Statitsitcal interpretations and Resampling Methods
   </a>
  </li>
+ <li class="toctree-l1">
+  <a class="reference internal" href="exercisesweek38.html">
+   Exercises week 38
+  </a>
+ </li>
 </ul>
 <p aria-level="2" class="caption" role="heading">
  <span class="caption-text">
diff --git a/doc/LectureNotes/_build/html/intro.html b/doc/LectureNotes/_build/html/intro.html
index 1780e369c..6572a9e18 100644
--- a/doc/LectureNotes/_build/html/intro.html
+++ b/doc/LectureNotes/_build/html/intro.html
@@ -285,6 +285,11 @@ const thebe_selector_output = ".output, .cell_output"
    Week 37: Statitsitcal interpretations and Resampling Methods
   </a>
  </li>
+ <li class="toctree-l1">
+  <a class="reference internal" href="exercisesweek38.html">
+   Exercises week 38
+  </a>
+ </li>
 </ul>
 <p aria-level="2" class="caption" role="heading">
  <span class="caption-text">
diff --git a/doc/LectureNotes/_build/html/search.html b/doc/LectureNotes/_build/html/search.html
index b63f5bcae..8b42abd95 100644
--- a/doc/LectureNotes/_build/html/search.html
+++ b/doc/LectureNotes/_build/html/search.html
@@ -290,6 +290,11 @@ const thebe_selector_output = ".output, .cell_output"
    Week 37: Statitsitcal interpretations and Resampling Methods
   </a>
  </li>
+ <li class="toctree-l1">
+  <a class="reference internal" href="exercisesweek38.html">
+   Exercises week 38
+  </a>
+ </li>
 </ul>
 <p aria-level="2" class="caption" role="heading">
  <span class="caption-text">
diff --git a/doc/LectureNotes/_toc.yml b/doc/LectureNotes/_toc.yml
index 443688917..802377ef9 100644
--- a/doc/LectureNotes/_toc.yml
+++ b/doc/LectureNotes/_toc.yml
@@ -49,6 +49,8 @@ parts:
     - file: week36.ipynb
     - file: exercisesweek37.ipynb
     - file: week37.ipynb
+    - file: exercisesweek38.ipynb
+    - file: week38.ipynb
   - caption: Projects
     numbered: false
     chapters: