diff --git a/doc/pub/week37/html/._week37-bs000.html b/doc/pub/week37/html/._week37-bs000.html
index 02721beb9..3fbf64644 100644
--- a/doc/pub/week37/html/._week37-bs000.html
+++ b/doc/pub/week37/html/._week37-bs000.html
@@ -284,7 +284,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Sep 11, 2022</h4>
+<h4>Sep 15, 2022</h4>
 </center> <!-- date -->
 <br>
 
diff --git a/doc/pub/week37/html/._week37-bs001.html b/doc/pub/week37/html/._week37-bs001.html
index e9ca9e6e4..a966e3abe 100644
--- a/doc/pub/week37/html/._week37-bs001.html
+++ b/doc/pub/week37/html/._week37-bs001.html
@@ -269,8 +269,8 @@ MathJax.Hub.Config({
 <h2 id="plans-for-week-37" class="anchor">Plans for week 37 </h2>
 
 <ul>
-<li> Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques</li>
-<li> Friday September 16: Resampling methods, Cross-validation, Bootstrapping and jackknife</li>
+<li> Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques and discussion of the <b>bias-variance</b> tradeoff.</li>
+<li> Friday September 16: Resampling methods, bias-variance, overfitting, Cross-validation and Bootstrapping</li>
 </ul>
 <p>Recommended Reading:</p>
 <ol>
diff --git a/doc/pub/week37/html/week37-bs.html b/doc/pub/week37/html/week37-bs.html
index 02721beb9..3fbf64644 100644
--- a/doc/pub/week37/html/week37-bs.html
+++ b/doc/pub/week37/html/week37-bs.html
@@ -284,7 +284,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Sep 11, 2022</h4>
+<h4>Sep 15, 2022</h4>
 </center> <!-- date -->
 <br>
 
diff --git a/doc/pub/week37/html/week37-reveal.html b/doc/pub/week37/html/week37-reveal.html
index f42802883..17b1fe2f1 100644
--- a/doc/pub/week37/html/week37-reveal.html
+++ b/doc/pub/week37/html/week37-reveal.html
@@ -184,7 +184,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Sep 11, 2022</h4>
+<h4>Sep 15, 2022</h4>
 </center> <!-- date -->
 <br>
 
@@ -198,8 +198,8 @@ MathJax.Hub.Config({
 <h2 id="plans-for-week-37">Plans for week 37 </h2>
 
 <ul>
-<p><li> Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques</li>
-<p><li> Friday September 16: Resampling methods, Cross-validation, Bootstrapping and jackknife</li>
+<p><li> Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques and discussion of the <b>bias-variance</b> tradeoff.</li>
+<p><li> Friday September 16: Resampling methods, bias-variance, overfitting, Cross-validation and Bootstrapping</li>
 </ul>
 <p>
 <p>Recommended Reading:</p>
diff --git a/doc/pub/week37/html/week37-solarized.html b/doc/pub/week37/html/week37-solarized.html
index 842f8dde2..490d110cb 100644
--- a/doc/pub/week37/html/week37-solarized.html
+++ b/doc/pub/week37/html/week37-solarized.html
@@ -237,7 +237,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Sep 11, 2022</h4>
+<h4>Sep 15, 2022</h4>
 </center> <!-- date -->
 <br>
 
@@ -245,8 +245,8 @@ MathJax.Hub.Config({
 <h2 id="plans-for-week-37">Plans for week 37 </h2>
 
 <ul>
-<li> Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques</li>
-<li> Friday September 16: Resampling methods, Cross-validation, Bootstrapping and jackknife</li>
+<li> Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques and discussion of the <b>bias-variance</b> tradeoff.</li>
+<li> Friday September 16: Resampling methods, bias-variance, overfitting, Cross-validation and Bootstrapping</li>
 </ul>
 <p>Recommended Reading:</p>
 <ol>
diff --git a/doc/pub/week37/html/week37.html b/doc/pub/week37/html/week37.html
index 9c8a75530..c9f2c36e3 100644
--- a/doc/pub/week37/html/week37.html
+++ b/doc/pub/week37/html/week37.html
@@ -314,7 +314,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Sep 11, 2022</h4>
+<h4>Sep 15, 2022</h4>
 </center> <!-- date -->
 <br>
 
@@ -322,8 +322,8 @@ MathJax.Hub.Config({
 <h2 id="plans-for-week-37">Plans for week 37 </h2>
 
 <ul>
-<li> Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques</li>
-<li> Friday September 16: Resampling methods, Cross-validation, Bootstrapping and jackknife</li>
+<li> Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques and discussion of the <b>bias-variance</b> tradeoff.</li>
+<li> Friday September 16: Resampling methods, bias-variance, overfitting, Cross-validation and Bootstrapping</li>
 </ul>
 <p>Recommended Reading:</p>
 <ol>
diff --git a/doc/pub/week37/ipynb/ipynb-week37-src.tar.gz b/doc/pub/week37/ipynb/ipynb-week37-src.tar.gz
index c11c8f8a2..2670a3ec3 100644
Binary files a/doc/pub/week37/ipynb/ipynb-week37-src.tar.gz and b/doc/pub/week37/ipynb/ipynb-week37-src.tar.gz differ
diff --git a/doc/pub/week37/ipynb/week37.ipynb b/doc/pub/week37/ipynb/week37.ipynb
index 75609c200..e095b7a5e 100644
--- a/doc/pub/week37/ipynb/week37.ipynb
+++ b/doc/pub/week37/ipynb/week37.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "c08fb762",
+   "id": "c2b9402a",
    "metadata": {
     "editable": true
    },
@@ -14,7 +14,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b80017ac",
+   "id": "a491dc47",
    "metadata": {
     "editable": true
    },
@@ -22,23 +22,23 @@
     "# Week 37: Summary of Ridge and Lasso Regression and Resampling Methods\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",
     "\n",
-    "Date: **Sep 11, 2022**\n",
+    "Date: **Sep 15, 2022**\n",
     "\n",
     "Copyright 1999-2022, Morten Hjorth-Jensen. Released under CC Attribution-NonCommercial 4.0 license"
    ]
   },
   {
    "cell_type": "markdown",
-   "id": "f4bbbb71",
+   "id": "e25fb167",
    "metadata": {
     "editable": true
    },
    "source": [
     "## Plans for week 37\n",
     "\n",
-    "* Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques\n",
+    "* Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques and discussion of the **bias-variance** tradeoff.\n",
     "\n",
-    "* Friday September 16: Resampling methods, Cross-validation, Bootstrapping and jackknife\n",
+    "* Friday September 16: Resampling methods, bias-variance, overfitting, Cross-validation and Bootstrapping\n",
     "\n",
     "Recommended Reading:\n",
     "1. Lectures on Resampling methods (these lectures), see also lectures from week 36\n",
@@ -52,7 +52,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "831ab76a",
+   "id": "0e065ecb",
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@@ -62,7 +62,7 @@
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-   "id": "1e522ab0",
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@@ -85,7 +85,7 @@
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-   "id": "743fb866",
+   "id": "c45e3846",
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@@ -97,7 +97,7 @@
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-   "id": "39f1561d",
+   "id": "3d064ff7",
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@@ -110,7 +110,7 @@
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   {
    "cell_type": "markdown",
-   "id": "749ca608",
+   "id": "b3a5f9aa",
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@@ -122,7 +122,7 @@
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   {
    "cell_type": "markdown",
-   "id": "2f10d158",
+   "id": "24dfa4b7",
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@@ -134,7 +134,7 @@
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   {
    "cell_type": "markdown",
-   "id": "e188ac0b",
+   "id": "24220329",
    "metadata": {
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@@ -146,7 +146,7 @@
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   {
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-   "id": "16acd625",
+   "id": "edee6a0e",
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@@ -157,7 +157,7 @@
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-   "id": "bb0c8be7",
+   "id": "961c7491",
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@@ -169,7 +169,7 @@
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   {
    "cell_type": "markdown",
-   "id": "88b5064c",
+   "id": "bd873c08",
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@@ -180,7 +180,7 @@
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-   "id": "d1728d6d",
+   "id": "fec9c100",
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@@ -192,7 +192,7 @@
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@@ -202,7 +202,7 @@
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+   "id": "1fb68439",
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@@ -233,7 +233,7 @@
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-   "id": "cec2e21c",
+   "id": "4cf1063d",
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@@ -245,7 +245,7 @@
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-   "id": "f3d9585c",
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@@ -257,7 +257,7 @@
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@@ -267,7 +267,7 @@
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@@ -279,7 +279,7 @@
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@@ -289,7 +289,7 @@
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@@ -301,7 +301,7 @@
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@@ -311,7 +311,7 @@
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   {
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+   "id": "99885fae",
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@@ -323,7 +323,7 @@
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+   "id": "d21d7adb",
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@@ -335,7 +335,7 @@
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   {
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-   "id": "16757da6",
+   "id": "940f20cd",
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@@ -347,7 +347,7 @@
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   {
    "cell_type": "markdown",
-   "id": "f9c1622b",
+   "id": "c0c42790",
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@@ -357,7 +357,7 @@
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-   "id": "4f382adf",
+   "id": "052f445f",
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@@ -369,7 +369,7 @@
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+   "id": "e5f56dd6",
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@@ -379,7 +379,7 @@
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-   "id": "8ba3756d",
+   "id": "b7c4b4df",
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@@ -396,7 +396,7 @@
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-   "id": "ffeb53b1",
+   "id": "52444cf8",
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@@ -415,7 +415,7 @@
   {
    "cell_type": "code",
    "execution_count": 1,
-   "id": "62ec11f6",
+   "id": "05363fd5",
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@@ -491,7 +491,7 @@
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-   "id": "5f65809b",
+   "id": "faac3a50",
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@@ -501,7 +501,7 @@
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-   "id": "a758a071",
+   "id": "77424f12",
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@@ -531,7 +531,7 @@
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    "execution_count": 2,
-   "id": "cbf1de37",
+   "id": "34233a4d",
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@@ -580,7 +580,7 @@
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-   "id": "956c6ce8",
+   "id": "96c00ffe",
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@@ -594,7 +594,7 @@
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   {
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-   "id": "74b22be2",
+   "id": "661f7c05",
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@@ -606,7 +606,7 @@
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   {
    "cell_type": "markdown",
-   "id": "fa1631c5",
+   "id": "e19fba88",
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@@ -616,7 +616,7 @@
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   {
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-   "id": "b1bb0d8c",
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@@ -628,7 +628,7 @@
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   {
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-   "id": "f768945f",
+   "id": "939ed78b",
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@@ -638,7 +638,7 @@
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   {
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-   "id": "e3450c66",
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@@ -650,7 +650,7 @@
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-   "id": "bbf9f1f9",
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@@ -660,7 +660,7 @@
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-   "id": "c3fad2ec",
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@@ -672,7 +672,7 @@
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@@ -682,7 +682,7 @@
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@@ -698,7 +698,7 @@
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@@ -710,7 +710,7 @@
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-   "id": "3fbe6ecb",
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@@ -720,7 +720,7 @@
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@@ -732,7 +732,7 @@
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@@ -745,7 +745,7 @@
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@@ -757,7 +757,7 @@
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@@ -767,7 +767,7 @@
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-   "id": "020897af",
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@@ -779,7 +779,7 @@
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@@ -789,7 +789,7 @@
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@@ -801,7 +801,7 @@
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@@ -813,7 +813,7 @@
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@@ -823,7 +823,7 @@
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@@ -835,7 +835,7 @@
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@@ -847,7 +847,7 @@
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@@ -1001,7 +1001,7 @@
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@@ -1030,7 +1030,7 @@
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@@ -1055,7 +1055,7 @@
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@@ -1069,7 +1069,7 @@
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@@ -1081,7 +1081,7 @@
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@@ -1094,7 +1094,7 @@
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@@ -1105,7 +1105,7 @@
   {
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-   "id": "c21a9e2f",
+   "id": "57b86cdf",
    "metadata": {
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     "editable": true
@@ -1144,7 +1144,7 @@
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   {
    "cell_type": "markdown",
-   "id": "ee932da9",
+   "id": "0d969b98",
    "metadata": {
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@@ -1169,7 +1169,7 @@
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   {
    "cell_type": "markdown",
-   "id": "0c09630e",
+   "id": "b66524c3",
    "metadata": {
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@@ -1189,7 +1189,7 @@
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   {
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-   "id": "3aa85c21",
+   "id": "4d9476a3",
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@@ -1201,7 +1201,7 @@
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   {
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+   "id": "7a32056b",
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@@ -1211,7 +1211,7 @@
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-   "id": "90b40956",
+   "id": "6c8b0666",
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@@ -1226,7 +1226,7 @@
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+   "id": "dae9dc94",
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@@ -1239,7 +1239,7 @@
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   {
    "cell_type": "markdown",
-   "id": "fa024df7",
+   "id": "35438879",
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@@ -1252,7 +1252,7 @@
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   {
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-   "id": "1041297f",
+   "id": "21257570",
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@@ -1264,7 +1264,7 @@
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   {
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-   "id": "d6035467",
+   "id": "1a1fc0ba",
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@@ -1277,7 +1277,7 @@
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   {
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+   "id": "e4bed73b",
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@@ -1288,7 +1288,7 @@
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   {
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-   "id": "eb686250",
+   "id": "1fa5809c",
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@@ -1302,7 +1302,7 @@
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   {
    "cell_type": "markdown",
-   "id": "b852ac7e",
+   "id": "dc273e52",
    "metadata": {
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@@ -1312,7 +1312,7 @@
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   {
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+   "id": "3b64bbe8",
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@@ -1326,7 +1326,7 @@
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@@ -1339,7 +1339,7 @@
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-   "id": "0460af15",
+   "id": "ed0ae36e",
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@@ -1352,7 +1352,7 @@
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   {
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+   "id": "54dcd6de",
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@@ -1362,7 +1362,7 @@
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   {
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+   "id": "3defb137",
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@@ -1375,7 +1375,7 @@
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   {
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-   "id": "336942de",
+   "id": "aff3be1f",
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@@ -1385,7 +1385,7 @@
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   {
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-   "id": "f77c7fcb",
+   "id": "2376b5f2",
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@@ -1398,7 +1398,7 @@
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   {
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-   "id": "2bd448b9",
+   "id": "00ad7733",
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@@ -1410,7 +1410,7 @@
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   {
    "cell_type": "markdown",
-   "id": "6b68e21c",
+   "id": "b2221018",
    "metadata": {
     "editable": true
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@@ -1429,7 +1429,7 @@
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   {
    "cell_type": "markdown",
-   "id": "c064927f",
+   "id": "6898f3c9",
    "metadata": {
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@@ -1442,7 +1442,7 @@
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   {
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-   "id": "bd6f2af8",
+   "id": "fae20567",
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@@ -1454,7 +1454,7 @@
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   {
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-   "id": "4bc2e02a",
+   "id": "4280b4ec",
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@@ -1467,7 +1467,7 @@
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   {
    "cell_type": "markdown",
-   "id": "4637631d",
+   "id": "f941ffce",
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@@ -1487,7 +1487,7 @@
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   {
    "cell_type": "markdown",
-   "id": "87484b04",
+   "id": "35303c06",
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@@ -1510,7 +1510,7 @@
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   {
    "cell_type": "markdown",
-   "id": "d30b88ad",
+   "id": "22f20c7c",
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@@ -1525,7 +1525,7 @@
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   {
    "cell_type": "markdown",
-   "id": "19a51268",
+   "id": "5691293d",
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@@ -1537,7 +1537,7 @@
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   {
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-   "id": "092ec17d",
+   "id": "0fed50f5",
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@@ -1557,7 +1557,7 @@
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   {
    "cell_type": "markdown",
-   "id": "8d84872b",
+   "id": "74bb8673",
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@@ -1577,7 +1577,7 @@
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   {
    "cell_type": "markdown",
-   "id": "3dd88f81",
+   "id": "5dd984cb",
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@@ -1601,7 +1601,7 @@
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   {
    "cell_type": "markdown",
-   "id": "ce917249",
+   "id": "ca5cf7b3",
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@@ -1622,7 +1622,7 @@
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   {
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-   "id": "2cc13083",
+   "id": "19e99b84",
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@@ -1652,7 +1652,7 @@
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   {
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-   "id": "5e682243",
+   "id": "061d3721",
    "metadata": {
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@@ -1676,7 +1676,7 @@
   {
    "cell_type": "code",
    "execution_count": 4,
-   "id": "d6ebffac",
+   "id": "272a7bbb",
    "metadata": {
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     "editable": true
@@ -1713,7 +1713,7 @@
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   {
    "cell_type": "markdown",
-   "id": "3d6257e1",
+   "id": "5653c44f",
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@@ -1723,7 +1723,7 @@
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   {
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-   "id": "3a3dd7aa",
+   "id": "53d0aba3",
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@@ -1734,7 +1734,7 @@
   {
    "cell_type": "code",
    "execution_count": 5,
-   "id": "40125c84",
+   "id": "68911c84",
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     "editable": true
@@ -1754,7 +1754,7 @@
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   {
    "cell_type": "markdown",
-   "id": "2119f7bb",
+   "id": "5c12d033",
    "metadata": {
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@@ -1772,7 +1772,7 @@
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   {
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-   "id": "abe48459",
+   "id": "d935e99b",
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     "editable": true
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@@ -1784,7 +1784,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "fd853ea6",
+   "id": "d1169087",
    "metadata": {
     "editable": true
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@@ -1801,7 +1801,7 @@
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   {
    "cell_type": "markdown",
-   "id": "9829f79d",
+   "id": "60c0c1bd",
    "metadata": {
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@@ -1813,7 +1813,7 @@
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   {
    "cell_type": "markdown",
-   "id": "420938b9",
+   "id": "c4152366",
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@@ -1823,7 +1823,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "74cfd107",
+   "id": "61bfa7c4",
    "metadata": {
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@@ -1835,7 +1835,7 @@
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   {
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-   "id": "dea58a93",
+   "id": "4fc282d6",
    "metadata": {
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@@ -1852,7 +1852,7 @@
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   {
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-   "id": "7bd3ab11",
+   "id": "bb3717a1",
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@@ -1864,7 +1864,7 @@
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   {
    "cell_type": "markdown",
-   "id": "7a5e87be",
+   "id": "bfb7bb28",
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@@ -1874,7 +1874,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "42a2a3c9",
+   "id": "d3a8c068",
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@@ -1886,7 +1886,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "708c0c2f",
+   "id": "db157ecf",
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     "editable": true
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@@ -1896,7 +1896,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "4af60215",
+   "id": "0e04f574",
    "metadata": {
     "editable": true
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@@ -1908,7 +1908,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0e8b7db0",
+   "id": "293252e2",
    "metadata": {
     "editable": true
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@@ -1918,7 +1918,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c76df46f",
+   "id": "028e9aab",
    "metadata": {
     "editable": true
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@@ -1934,7 +1934,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d59ec9ec",
+   "id": "106ac47f",
    "metadata": {
     "editable": true
    },
@@ -1945,7 +1945,7 @@
   {
    "cell_type": "code",
    "execution_count": 6,
-   "id": "9955db36",
+   "id": "ac981367",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2010,7 +2010,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b347ea24",
+   "id": "70e63796",
    "metadata": {
     "editable": true
    },
@@ -2021,7 +2021,7 @@
   {
    "cell_type": "code",
    "execution_count": 7,
-   "id": "1fb55d01",
+   "id": "12106663",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2078,7 +2078,7 @@
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   {
    "cell_type": "markdown",
-   "id": "2fa43e94",
+   "id": "298e77be",
    "metadata": {
     "editable": true
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@@ -2116,7 +2116,7 @@
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   {
    "cell_type": "markdown",
-   "id": "a4be972b",
+   "id": "e75e6b04",
    "metadata": {
     "editable": true
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@@ -2127,7 +2127,7 @@
   {
    "cell_type": "code",
    "execution_count": 8,
-   "id": "516fe302",
+   "id": "0d6a4d60",
    "metadata": {
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     "editable": true
@@ -2209,7 +2209,7 @@
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   {
    "cell_type": "markdown",
-   "id": "2b9c803f",
+   "id": "a8d85f13",
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@@ -2234,7 +2234,7 @@
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   {
    "cell_type": "markdown",
-   "id": "a6ee646b",
+   "id": "a1735b39",
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     "editable": true
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@@ -2250,7 +2250,7 @@
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   {
    "cell_type": "markdown",
-   "id": "501f4d86",
+   "id": "75bd8242",
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@@ -2266,7 +2266,7 @@
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   {
    "cell_type": "markdown",
-   "id": "0e766301",
+   "id": "0b85ab87",
    "metadata": {
     "editable": true
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@@ -2280,7 +2280,7 @@
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   {
    "cell_type": "markdown",
-   "id": "1cd697ea",
+   "id": "5daaa71c",
    "metadata": {
     "editable": true
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@@ -2294,7 +2294,7 @@
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   {
    "cell_type": "markdown",
-   "id": "6287dd1e",
+   "id": "54608282",
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     "editable": true
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@@ -2322,7 +2322,7 @@
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   {
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-   "id": "8bb9c1a7",
+   "id": "38dbaf67",
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@@ -2335,7 +2335,7 @@
   {
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    "execution_count": 9,
-   "id": "11f97622",
+   "id": "6b9d105a",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2435,7 +2435,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "011a1ff0",
+   "id": "4ae36554",
    "metadata": {
     "editable": true
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@@ -2446,7 +2446,7 @@
   {
    "cell_type": "code",
    "execution_count": 10,
-   "id": "2316ac04",
+   "id": "0ed647d1",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -2535,7 +2535,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "535b779d",
+   "id": "b4bb43b3",
    "metadata": {
     "editable": true
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@@ -2545,7 +2545,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7a0f8fe1",
+   "id": "cb8c05f3",
    "metadata": {
     "editable": true
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@@ -2558,7 +2558,7 @@
   {
    "cell_type": "code",
    "execution_count": 11,
-   "id": "48f25a4d",
+   "id": "bebdd3d3",
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     "editable": true
diff --git a/doc/src/week37/week37.do.txt b/doc/src/week37/week37.do.txt
index e65a106b7..af1132200 100644
--- a/doc/src/week37/week37.do.txt
+++ b/doc/src/week37/week37.do.txt
@@ -5,8 +5,8 @@ DATE: today
 !split
 =====  Plans for week 37 =====
 
-* Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques
-* Friday September 16: Resampling methods, Cross-validation, Bootstrapping and jackknife
+* Thursday September 15: Summary of Ridge and Lasso with examples and statistical interpretation. Start resampling techniques and discussion of the _bias-variance_ tradeoff.
+* Friday September 16: Resampling methods, bias-variance, overfitting, Cross-validation and Bootstrapping
 
 Recommended Reading:
 o Lectures on Resampling methods (these lectures), see also lectures from week 36