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 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/._week44-bs034.html b/doc/pub/week44/html/._week44-bs034.html
index e6d465a98..f52593972 100644
--- a/doc/pub/week44/html/._week44-bs034.html
+++ b/doc/pub/week44/html/._week44-bs034.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/._week44-bs035.html b/doc/pub/week44/html/._week44-bs035.html
index 9b77d22d8..84b84b3ea 100644
--- a/doc/pub/week44/html/._week44-bs035.html
+++ b/doc/pub/week44/html/._week44-bs035.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/._week44-bs036.html b/doc/pub/week44/html/._week44-bs036.html
index 11e2407d1..6f796409b 100644
--- a/doc/pub/week44/html/._week44-bs036.html
+++ b/doc/pub/week44/html/._week44-bs036.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/._week44-bs037.html b/doc/pub/week44/html/._week44-bs037.html
index f173b4179..2ea48c080 100644
--- a/doc/pub/week44/html/._week44-bs037.html
+++ b/doc/pub/week44/html/._week44-bs037.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/._week44-bs038.html b/doc/pub/week44/html/._week44-bs038.html
index fa0edd371..3f54939fd 100644
--- a/doc/pub/week44/html/._week44-bs038.html
+++ b/doc/pub/week44/html/._week44-bs038.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/._week44-bs039.html b/doc/pub/week44/html/._week44-bs039.html
index 825a9ffa7..f6f8bf928 100644
--- a/doc/pub/week44/html/._week44-bs039.html
+++ b/doc/pub/week44/html/._week44-bs039.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/._week44-bs040.html b/doc/pub/week44/html/._week44-bs040.html
index 5b55d3130..ca68876d3 100644
--- a/doc/pub/week44/html/._week44-bs040.html
+++ b/doc/pub/week44/html/._week44-bs040.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/._week44-bs041.html b/doc/pub/week44/html/._week44-bs041.html
index 9c8afc1ef..55abf14b9 100644
--- a/doc/pub/week44/html/._week44-bs041.html
+++ b/doc/pub/week44/html/._week44-bs041.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/._week44-bs042.html b/doc/pub/week44/html/._week44-bs042.html
index 2782bf6b1..96ff17c1a 100644
--- a/doc/pub/week44/html/._week44-bs042.html
+++ b/doc/pub/week44/html/._week44-bs042.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
diff --git a/doc/pub/week44/html/week44-bs.html b/doc/pub/week44/html/week44-bs.html
index 2030cd05f..0ae34166f 100644
--- a/doc/pub/week44/html/week44-bs.html
+++ b/doc/pub/week44/html/week44-bs.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 <!-- Bootstrap style: bootstrap -->
 <link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
@@ -143,7 +143,7 @@ MathJax.Hub.Config({
       <span class="icon-bar"></span>
       <span class="icon-bar"></span>
     </button>
-    <a class="navbar-brand" href="week44-bs.html">week 44: From Decision Trees to Bagging methods</a>
+    <a class="navbar-brand" href="week44-bs.html">Week 44: From Decision Trees to Bagging methods</a>
   </div>
 
   <div class="navbar-collapse collapse navbar-responsive-collapse">
@@ -215,7 +215,7 @@ MathJax.Hub.Config({
 
 
 <div class="jumbotron">
-<center><h1>week 44: From Decision Trees to Bagging methods</h1></center>  <!-- document title -->
+<center><h1>Week 44: From Decision Trees to Bagging methods</h1></center>  <!-- document title -->
 
 <p>
 <!-- author(s): Morten Hjorth-Jensen -->
diff --git a/doc/pub/week44/html/week44-reveal.html b/doc/pub/week44/html/week44-reveal.html
index f4e881651..63dd7cce8 100644
--- a/doc/pub/week44/html/week44-reveal.html
+++ b/doc/pub/week44/html/week44-reveal.html
@@ -3,9 +3,9 @@
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 
 
@@ -132,7 +132,7 @@ MathJax.Hub.Config({
 
 
 
-<center><h1 style="text-align: center;">week 44: From Decision Trees to Bagging methods</h1></center>  <!-- document title -->
+<center><h1 style="text-align: center;">Week 44: From Decision Trees to Bagging methods</h1></center>  <!-- document title -->
 
 <p>
 <!-- author(s): Morten Hjorth-Jensen -->
@@ -1732,11 +1732,11 @@ simpleprediction = simpletree.predict(X_test_scaled)
     <span style="color: #658b00">print</span>(<span style="color: #CD5555">&#39;Bias^2:&#39;</span>, bias[degree])
     <span style="color: #658b00">print</span>(<span style="color: #CD5555">&#39;Var:&#39;</span>, variance[degree])
     <span style="color: #658b00">print</span>(<span style="color: #CD5555">&#39;{} &gt;= {} + {} = {}&#39;</span>.format(error[degree], bias[degree], variance[degree], bias[degree]+variance[degree]))
-
-mse_simpletree = np.mean( np.mean((y_test - simpleprediction)**<span style="color: #B452CD">2</span>)
+ 
+mse_simpletree= np.mean( np.mean((y_test - simpleprediction)**<span style="color: #B452CD">2</span>)
+<span style="color: #658b00">print</span>(mse_simpletree)
 plt.xlim(<span style="color: #B452CD">1</span>,maxdepth)
-plt.plot(polydegree, error, label=<span style="color: #CD5555">&#39;MSE simple tree&#39;</span>)
-plt.plot(polydegree, mse_simpletree, label=<span style="color: #CD5555">&#39;MSE for Bootstrap&#39;</span>)
+plt.plot(polydegree, error, label=<span style="color: #CD5555">&#39;MSE&#39;</span>)
 plt.plot(polydegree, bias, label=<span style="color: #CD5555">&#39;bias&#39;</span>)
 plt.plot(polydegree, variance, label=<span style="color: #CD5555">&#39;Variance&#39;</span>)
 plt.legend()
diff --git a/doc/pub/week44/html/week44-solarized.html b/doc/pub/week44/html/week44-solarized.html
index 186fcc37b..a3605581c 100644
--- a/doc/pub/week44/html/week44-solarized.html
+++ b/doc/pub/week44/html/week44-solarized.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 
 <link href="https://cdn.rawgit.com/hplgit/doconce/master/bundled/html_styles/style_solarized_box/css/solarized_light_code.css" rel="stylesheet" type="text/css" title="light"/>
@@ -159,7 +159,7 @@ MathJax.Hub.Config({
 
 
 
-<center><h1>week 44: From Decision Trees to Bagging methods</h1></center>  <!-- document title -->
+<center><h1>Week 44: From Decision Trees to Bagging methods</h1></center>  <!-- document title -->
 
 <p>
 <!-- author(s): Morten Hjorth-Jensen -->
@@ -1704,11 +1704,11 @@ simpleprediction = simpletree.predict(X_test_scaled)
     <span style="color: #658b00">print</span>(<span style="color: #CD5555">&#39;Bias^2:&#39;</span>, bias[degree])
     <span style="color: #658b00">print</span>(<span style="color: #CD5555">&#39;Var:&#39;</span>, variance[degree])
     <span style="color: #658b00">print</span>(<span style="color: #CD5555">&#39;{} &gt;= {} + {} = {}&#39;</span>.format(error[degree], bias[degree], variance[degree], bias[degree]+variance[degree]))
-
-mse_simpletree = np.mean( np.mean((y_test - simpleprediction)**<span style="color: #B452CD">2</span>)
+ 
+mse_simpletree= np.mean( np.mean((y_test - simpleprediction)**<span style="color: #B452CD">2</span>)
+<span style="color: #658b00">print</span>(mse_simpletree)
 plt.xlim(<span style="color: #B452CD">1</span>,maxdepth)
-plt.plot(polydegree, error, label=<span style="color: #CD5555">&#39;MSE simple tree&#39;</span>)
-plt.plot(polydegree, mse_simpletree, label=<span style="color: #CD5555">&#39;MSE for Bootstrap&#39;</span>)
+plt.plot(polydegree, error, label=<span style="color: #CD5555">&#39;MSE&#39;</span>)
 plt.plot(polydegree, bias, label=<span style="color: #CD5555">&#39;bias&#39;</span>)
 plt.plot(polydegree, variance, label=<span style="color: #CD5555">&#39;Variance&#39;</span>)
 plt.legend()
diff --git a/doc/pub/week44/html/week44.html b/doc/pub/week44/html/week44.html
index f4052ab45..b3b3299cc 100644
--- a/doc/pub/week44/html/week44.html
+++ b/doc/pub/week44/html/week44.html
@@ -7,9 +7,9 @@ Automatically generated HTML file from DocOnce source
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="generator" content="DocOnce: https://github.com/hplgit/doconce/" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<meta name="description" content="week 44: From Decision Trees to Bagging methods">
+<meta name="description" content="Week 44: From Decision Trees to Bagging methods">
 
-<title>week 44: From Decision Trees to Bagging methods</title>
+<title>Week 44: From Decision Trees to Bagging methods</title>
 
 
 <style type="text/css">
@@ -164,7 +164,7 @@ MathJax.Hub.Config({
 
 
 
-<center><h1>week 44: From Decision Trees to Bagging methods</h1></center>  <!-- document title -->
+<center><h1>Week 44: From Decision Trees to Bagging methods</h1></center>  <!-- document title -->
 
 <p>
 <!-- author(s): Morten Hjorth-Jensen -->
@@ -1709,11 +1709,11 @@ simpleprediction <span style="color: #666666">=</span> simpletree<span style="co
     <span style="color: #008000">print</span>(<span style="color: #BA2121">&#39;Bias^2:&#39;</span>, bias[degree])
     <span style="color: #008000">print</span>(<span style="color: #BA2121">&#39;Var:&#39;</span>, variance[degree])
     <span style="color: #008000">print</span>(<span style="color: #BA2121">&#39;</span><span style="color: #BB6688; font-weight: bold">{}</span><span style="color: #BA2121"> &gt;= </span><span style="color: #BB6688; font-weight: bold">{}</span><span style="color: #BA2121"> + </span><span style="color: #BB6688; font-weight: bold">{}</span><span style="color: #BA2121"> = </span><span style="color: #BB6688; font-weight: bold">{}</span><span style="color: #BA2121">&#39;</span><span style="color: #666666">.</span>format(error[degree], bias[degree], variance[degree], bias[degree]<span style="color: #666666">+</span>variance[degree]))
-
-mse_simpletree <span style="color: #666666">=</span> np<span style="color: #666666">.</span>mean( np<span style="color: #666666">.</span>mean((y_test <span style="color: #666666">-</span> simpleprediction)<span style="color: #666666">**2</span>)
+ 
+mse_simpletree<span style="color: #666666">=</span> np<span style="color: #666666">.</span>mean( np<span style="color: #666666">.</span>mean((y_test <span style="color: #666666">-</span> simpleprediction)<span style="color: #666666">**2</span>)
+<span style="color: #008000">print</span>(mse_simpletree)
 plt<span style="color: #666666">.</span>xlim(<span style="color: #666666">1</span>,maxdepth)
-plt<span style="color: #666666">.</span>plot(polydegree, error, label<span style="color: #666666">=</span><span style="color: #BA2121">&#39;MSE simple tree&#39;</span>)
-plt<span style="color: #666666">.</span>plot(polydegree, mse_simpletree, label<span style="color: #666666">=</span><span style="color: #BA2121">&#39;MSE for Bootstrap&#39;</span>)
+plt<span style="color: #666666">.</span>plot(polydegree, error, label<span style="color: #666666">=</span><span style="color: #BA2121">&#39;MSE&#39;</span>)
 plt<span style="color: #666666">.</span>plot(polydegree, bias, label<span style="color: #666666">=</span><span style="color: #BA2121">&#39;bias&#39;</span>)
 plt<span style="color: #666666">.</span>plot(polydegree, variance, label<span style="color: #666666">=</span><span style="color: #BA2121">&#39;Variance&#39;</span>)
 plt<span style="color: #666666">.</span>legend()
diff --git a/doc/pub/week44/ipynb/Datafiles/cancer.dot b/doc/pub/week44/ipynb/Datafiles/cancer.dot
index 27a38310a..528667465 100644
--- a/doc/pub/week44/ipynb/Datafiles/cancer.dot
+++ b/doc/pub/week44/ipynb/Datafiles/cancer.dot
@@ -10,7 +10,11 @@ edge [fontname=helvetica] ;
 2 -> 3 ;
 4 [label="gini = 0.0\nsamples = 239\nvalue = [[239, 0]\n[0, 239]]", fillcolor="#e58139"] ;
 3 -> 4 ;
+<<<<<<< HEAD
 5 [label="mean perimeter <= 78.51\ngini = 0.444\nsamples = 3\nvalue = [[2, 1]\n[1, 2]]", fillcolor="#fdf6f0"] ;
+=======
+5 [label="mean area <= 469.25\ngini = 0.444\nsamples = 3\nvalue = [[2, 1]\n[1, 2]]", fillcolor="#fdf6f0"] ;
+>>>>>>> origin/master
 3 -> 5 ;
 6 [label="gini = 0.0\nsamples = 1\nvalue = [[0, 1]\n[1, 0]]", fillcolor="#e58139"] ;
 5 -> 6 ;
@@ -22,7 +26,11 @@ edge [fontname=helvetica] ;
 8 -> 9 ;
 10 [label="gini = 0.0\nsamples = 3\nvalue = [[0, 3]\n[3, 0]]", fillcolor="#e58139"] ;
 8 -> 10 ;
+<<<<<<< HEAD
 11 [label="mean texture <= 16.22\ngini = 0.278\nsamples = 6\nvalue = [[1, 5]\n[5, 1]]", fillcolor="#f4caac"] ;
+=======
+11 [label="area error <= 13.475\ngini = 0.278\nsamples = 6\nvalue = [[1, 5]\n[5, 1]]", fillcolor="#f4caac"] ;
+>>>>>>> origin/master
 1 -> 11 ;
 12 [label="gini = 0.0\nsamples = 1\nvalue = [[1, 0]\n[0, 1]]", fillcolor="#e58139"] ;
 11 -> 12 ;
@@ -34,7 +42,11 @@ edge [fontname=helvetica] ;
 14 -> 15 ;
 16 [label="gini = 0.0\nsamples = 11\nvalue = [[11, 0]\n[0, 11]]", fillcolor="#e58139"] ;
 15 -> 16 ;
+<<<<<<< HEAD
 17 [label="mean area <= 694.45\ngini = 0.32\nsamples = 5\nvalue = [[1, 4]\n[4, 1]]", fillcolor="#f6d5bd"] ;
+=======
+17 [label="worst area <= 894.55\ngini = 0.32\nsamples = 5\nvalue = [[1, 4]\n[4, 1]]", fillcolor="#f6d5bd"] ;
+>>>>>>> origin/master
 15 -> 17 ;
 18 [label="gini = 0.0\nsamples = 1\nvalue = [[1, 0]\n[0, 1]]", fillcolor="#e58139"] ;
 17 -> 18 ;
diff --git a/doc/pub/week44/ipynb/Datafiles/cancer.png b/doc/pub/week44/ipynb/Datafiles/cancer.png
index 2ceb5e1f8..5f003c0bb 100644
Binary files a/doc/pub/week44/ipynb/Datafiles/cancer.png and b/doc/pub/week44/ipynb/Datafiles/cancer.png differ
diff --git a/doc/pub/week44/ipynb/Datafiles/ride.dot b/doc/pub/week44/ipynb/Datafiles/ride.dot
index 9a0221269..eb0417a16 100644
--- a/doc/pub/week44/ipynb/Datafiles/ride.dot
+++ b/doc/pub/week44/ipynb/Datafiles/ride.dot
@@ -1,7 +1,11 @@
 digraph Tree {
 node [shape=box, style="filled, rounded", color="black", fontname=helvetica] ;
 edge [fontname=helvetica] ;
+<<<<<<< HEAD
 0 [label="X[0] <= 0.5\ngini = 0.48\nsamples = 15\nvalue = [4, 10, 1]", fillcolor="#93f1ba"] ;
+=======
+0 [label="X[9] <= 0.5\ngini = 0.48\nsamples = 15\nvalue = [4, 10, 1]", fillcolor="#93f1ba"] ;
+>>>>>>> origin/master
 1 [label="X[1] <= 0.5\ngini = 0.408\nsamples = 14\nvalue = [4, 10, 0]", fillcolor="#88efb3"] ;
 0 -> 1 [labeldistance=2.5, labelangle=45, headlabel="True"] ;
 2 [label="gini = 0.48\nsamples = 10\nvalue = [4, 6, 0]", fillcolor="#bdf6d5"] ;
diff --git a/doc/pub/week44/ipynb/ipynb-week44-src.tar.gz b/doc/pub/week44/ipynb/ipynb-week44-src.tar.gz
index 81308e3b6..e34dadb23 100644
Binary files a/doc/pub/week44/ipynb/ipynb-week44-src.tar.gz and b/doc/pub/week44/ipynb/ipynb-week44-src.tar.gz differ
diff --git a/doc/pub/week44/ipynb/week44.ipynb b/doc/pub/week44/ipynb/week44.ipynb
index 450314eab..af1d84931 100644
--- a/doc/pub/week44/ipynb/week44.ipynb
+++ b/doc/pub/week44/ipynb/week44.ipynb
@@ -4,8 +4,8 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "<!-- dom:TITLE: week 44: From Decision Trees to Bagging methods -->\n",
-    "# week 44: From Decision Trees to Bagging methods\n",
+    "<!-- dom:TITLE: Week 44: From Decision Trees to Bagging methods -->\n",
+    "# Week 44: From Decision Trees to Bagging methods\n",
     "<!-- dom:AUTHOR: Morten Hjorth-Jensen at Department of Physics, University of Oslo & Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University -->\n",
     "<!-- Author: -->  \n",
     "**Morten Hjorth-Jensen**, Department of Physics, University of Oslo and Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University\n",
@@ -2341,8 +2341,13 @@
     "    print('Bias^2:', bias[degree])\n",
     "    print('Var:', variance[degree])\n",
     "    print('{} >= {} + {} = {}'.format(error[degree], bias[degree], variance[degree], bias[degree]+variance[degree]))\n",
+<<<<<<< HEAD
     "\n",
     "mse_simpletree = np.mean( np.mean((y_test - simpleprediction)**2))\n",
+=======
+    " \n",
+    "mse_simpletree= np.mean( np.mean((y_test - simpleprediction)**2)\n",
+>>>>>>> origin/master
     "print(mse_simpletree)\n",
     "plt.xlim(1,maxdepth)\n",
     "plt.plot(polydegree, error, label='MSE')\n",
diff --git a/doc/src/week44/week44.do.txt b/doc/src/week44/week44.do.txt
index dca6407da..2db2799cc 100644
--- a/doc/src/week44/week44.do.txt
+++ b/doc/src/week44/week44.do.txt
@@ -1,4 +1,4 @@
-TITLE: week 44: From Decision Trees to Bagging methods
+TITLE: Week 44: From Decision Trees to Bagging methods
 AUTHOR: Morten Hjorth-Jensen {copyright, 1999-present|CC BY-NC} at Department of Physics, University of Oslo & Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University
 DATE: today
 
@@ -1382,11 +1382,11 @@ for degree in range(1,maxdepth):
     print('Bias^2:', bias[degree])
     print('Var:', variance[degree])
     print('{} >= {} + {} = {}'.format(error[degree], bias[degree], variance[degree], bias[degree]+variance[degree]))
-
-mse_simpletree = np.mean( np.mean((y_test - simpleprediction)**2)
+ 
+mse_simpletree= np.mean( np.mean((y_test - simpleprediction)**2)
+print(mse_simpletree)
 plt.xlim(1,maxdepth)
-plt.plot(polydegree, error, label='MSE simple tree')
-plt.plot(polydegree, mse_simpletree, label='MSE for Bootstrap')
+plt.plot(polydegree, error, label='MSE')
 plt.plot(polydegree, bias, label='bias')
 plt.plot(polydegree, variance, label='Variance')
 plt.legend()