diff --git a/doc/pub/week45/html/._week45-bs001.html b/doc/pub/week45/html/._week45-bs001.html
index 264344ad4..7a61067e8 100644
--- a/doc/pub/week45/html/._week45-bs001.html
+++ b/doc/pub/week45/html/._week45-bs001.html
@@ -231,6 +231,9 @@ MathJax.Hub.Config({
   <li> <a href="https://youtu.be/mK48PfCxgYk" target="_self">Video of lecture</a></li>
 </ul>
 <li> Friday:  Gradient boosting and discussion of Decision trees and ensemble methods. Wrapping up trees and start discussing Support Vector Machines</li>
+<ul>
+  <li> <a href="https://youtu.be/v8eJBFeZKuI" target="_self">Video of lecture</a></li>
+</ul>
 </ul>
 <div class="panel panel-default">
 <div class="panel-body">
diff --git a/doc/pub/week45/html/week45-reveal.html b/doc/pub/week45/html/week45-reveal.html
index 692f2bb3f..a258b1f63 100644
--- a/doc/pub/week45/html/week45-reveal.html
+++ b/doc/pub/week45/html/week45-reveal.html
@@ -205,6 +205,11 @@ MathJax.Hub.Config({
 </ul>
 <p>
 <p><li> Friday:  Gradient boosting and discussion of Decision trees and ensemble methods. Wrapping up trees and start discussing Support Vector Machines</li>
+<ul>
+
+<p><li> <a href="https://youtu.be/v8eJBFeZKuI" target="_blank">Video of lecture</a></li>
+</ul>
+<p>
 </ul>
 <p>
 <div class="alert alert-block alert-block alert-text-normal">
diff --git a/doc/pub/week45/html/week45-solarized.html b/doc/pub/week45/html/week45-solarized.html
index 88574ac24..bf203837b 100644
--- a/doc/pub/week45/html/week45-solarized.html
+++ b/doc/pub/week45/html/week45-solarized.html
@@ -216,6 +216,9 @@ MathJax.Hub.Config({
   <li> <a href="https://youtu.be/mK48PfCxgYk" target="_blank">Video of lecture</a></li>
 </ul>
 <li> Friday:  Gradient boosting and discussion of Decision trees and ensemble methods. Wrapping up trees and start discussing Support Vector Machines</li>
+<ul>
+  <li> <a href="https://youtu.be/v8eJBFeZKuI" target="_blank">Video of lecture</a></li>
+</ul>
 </ul>
 <div class="alert alert-block alert-block alert-text-normal">
 <b>Videos</b>
diff --git a/doc/pub/week45/html/week45.html b/doc/pub/week45/html/week45.html
index ba0c9d4a9..92d7149e1 100644
--- a/doc/pub/week45/html/week45.html
+++ b/doc/pub/week45/html/week45.html
@@ -293,6 +293,9 @@ MathJax.Hub.Config({
   <li> <a href="https://youtu.be/mK48PfCxgYk" target="_blank">Video of lecture</a></li>
 </ul>
 <li> Friday:  Gradient boosting and discussion of Decision trees and ensemble methods. Wrapping up trees and start discussing Support Vector Machines</li>
+<ul>
+  <li> <a href="https://youtu.be/v8eJBFeZKuI" target="_blank">Video of lecture</a></li>
+</ul>
 </ul>
 <div class="alert alert-block alert-block alert-text-normal">
 <b>Videos</b>
diff --git a/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffiercgain.png b/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffiercgain.png
index 9225b1e64..ffba89938 100644
Binary files a/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffiercgain.png and b/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffiercgain.png differ
diff --git a/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffierconfusion.png b/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffierconfusion.png
index c015ec3f3..4722b4d78 100644
Binary files a/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffierconfusion.png and b/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffierconfusion.png differ
diff --git a/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffierroc.png b/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffierroc.png
index 4f79cd17d..2c3afeb4f 100644
Binary files a/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffierroc.png and b/doc/pub/week45/ipynb/Results/FigureFiles/gdclassiffierroc.png differ
diff --git a/doc/pub/week45/ipynb/Results/FigureFiles/xdclassiffierconfusion.png b/doc/pub/week45/ipynb/Results/FigureFiles/xdclassiffierconfusion.png
index 20b208468..7ce4eb554 100644
Binary files a/doc/pub/week45/ipynb/Results/FigureFiles/xdclassiffierconfusion.png and b/doc/pub/week45/ipynb/Results/FigureFiles/xdclassiffierconfusion.png differ
diff --git a/doc/pub/week45/ipynb/Results/FigureFiles/xdclassiffierroc.png b/doc/pub/week45/ipynb/Results/FigureFiles/xdclassiffierroc.png
index 9aa3b15ab..9bcef7025 100644
Binary files a/doc/pub/week45/ipynb/Results/FigureFiles/xdclassiffierroc.png and b/doc/pub/week45/ipynb/Results/FigureFiles/xdclassiffierroc.png differ
diff --git a/doc/pub/week45/ipynb/ipynb-week45-src.tar.gz b/doc/pub/week45/ipynb/ipynb-week45-src.tar.gz
index 6b48bd285..345c20843 100644
Binary files a/doc/pub/week45/ipynb/ipynb-week45-src.tar.gz and b/doc/pub/week45/ipynb/ipynb-week45-src.tar.gz differ
diff --git a/doc/pub/week45/ipynb/week45.ipynb b/doc/pub/week45/ipynb/week45.ipynb
index 0927bf7e0..cbc4421c0 100644
--- a/doc/pub/week45/ipynb/week45.ipynb
+++ b/doc/pub/week45/ipynb/week45.ipynb
@@ -2,7 +2,7 @@
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@@ -14,7 +14,7 @@
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@@ -42,6 +42,8 @@
     "\n",
     "* Friday:  Gradient boosting and discussion of Decision trees and ensemble methods. Wrapping up trees and start discussing Support Vector Machines\n",
     "\n",
+    "  * [Video of lecture](https://youtu.be/v8eJBFeZKuI)\n",
+    "\n",
     "**Videos.**\n",
     "\n",
     "1. [Video on Decision trees](https://www.youtube.com/watch?v=RmajweUFKvM&ab_channel=Simplilearn)\n",
@@ -59,7 +61,7 @@
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@@ -1100,7 +1102,7 @@
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@@ -1112,7 +1114,7 @@
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@@ -1133,7 +1135,7 @@
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@@ -1144,7 +1146,7 @@
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@@ -1196,7 +1198,7 @@
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@@ -1207,7 +1209,7 @@
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@@ -1258,7 +1260,7 @@
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@@ -1281,7 +1283,7 @@
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@@ -1292,7 +1294,7 @@
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@@ -1344,7 +1346,7 @@
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@@ -1357,7 +1359,7 @@
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@@ -1420,7 +1422,7 @@
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@@ -1454,7 +1456,7 @@
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@@ -1476,7 +1478,7 @@
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@@ -1553,7 +1555,7 @@
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@@ -1573,7 +1575,7 @@
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@@ -1585,7 +1587,7 @@
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@@ -1598,7 +1600,7 @@
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@@ -1610,7 +1612,7 @@
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@@ -1623,7 +1625,7 @@
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@@ -1635,7 +1637,7 @@
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@@ -1647,7 +1649,7 @@
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@@ -1659,7 +1661,7 @@
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@@ -1669,7 +1671,7 @@
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@@ -1681,7 +1683,7 @@
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@@ -1692,7 +1694,7 @@
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@@ -1704,7 +1706,7 @@
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@@ -1717,7 +1719,7 @@
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@@ -1729,7 +1731,7 @@
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@@ -1739,7 +1741,7 @@
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@@ -1768,7 +1770,7 @@
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@@ -1780,7 +1782,7 @@
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@@ -1792,7 +1794,7 @@
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@@ -1806,7 +1808,7 @@
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@@ -1818,7 +1820,7 @@
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@@ -1832,7 +1834,7 @@
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@@ -1844,7 +1846,7 @@
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@@ -1854,7 +1856,7 @@
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@@ -1866,7 +1868,7 @@
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@@ -1876,7 +1878,7 @@
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@@ -1888,7 +1890,7 @@
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@@ -1900,7 +1902,7 @@
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@@ -1912,7 +1914,7 @@
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@@ -1922,7 +1924,7 @@
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@@ -1934,7 +1936,7 @@
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@@ -1944,7 +1946,7 @@
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@@ -1958,7 +1960,7 @@
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@@ -1977,7 +1979,7 @@
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@@ -1993,7 +1995,7 @@
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@@ -2005,7 +2007,7 @@
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@@ -2017,7 +2019,7 @@
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@@ -2029,7 +2031,7 @@
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@@ -2039,7 +2041,7 @@
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@@ -2051,7 +2053,7 @@
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@@ -2062,7 +2064,7 @@
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@@ -2074,7 +2076,7 @@
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@@ -2087,7 +2089,7 @@
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@@ -2100,7 +2102,7 @@
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@@ -2112,7 +2114,7 @@
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@@ -2122,7 +2124,7 @@
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@@ -2134,7 +2136,7 @@
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@@ -2144,7 +2146,7 @@
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@@ -2156,7 +2158,7 @@
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@@ -2173,7 +2175,7 @@
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@@ -2185,7 +2187,7 @@
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@@ -2195,7 +2197,7 @@
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@@ -2207,7 +2209,7 @@
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@@ -2217,7 +2219,7 @@
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@@ -2229,7 +2231,7 @@
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@@ -2242,7 +2244,7 @@
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@@ -2254,7 +2256,7 @@
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@@ -2266,7 +2268,7 @@
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@@ -2276,7 +2278,7 @@
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@@ -2290,7 +2292,7 @@
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@@ -2300,7 +2302,7 @@
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@@ -2312,7 +2314,7 @@
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@@ -2322,7 +2324,7 @@
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@@ -2334,7 +2336,7 @@
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@@ -2344,7 +2346,7 @@
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@@ -2356,7 +2358,7 @@
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@@ -2370,7 +2372,7 @@
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@@ -2382,7 +2384,7 @@
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@@ -2393,7 +2395,7 @@
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@@ -2405,7 +2407,7 @@
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@@ -2417,7 +2419,7 @@
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@@ -2429,7 +2431,7 @@
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@@ -2439,7 +2441,7 @@
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@@ -2451,7 +2453,7 @@
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@@ -2461,7 +2463,7 @@
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@@ -2473,7 +2475,7 @@
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@@ -2484,7 +2486,7 @@
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@@ -2496,7 +2498,7 @@
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@@ -2510,7 +2512,7 @@
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@@ -2522,7 +2524,7 @@
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@@ -2534,7 +2536,7 @@
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@@ -2544,7 +2546,7 @@
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@@ -2561,7 +2563,7 @@
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@@ -2572,7 +2574,7 @@
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@@ -2585,7 +2587,7 @@
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@@ -2597,7 +2599,7 @@
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@@ -2607,7 +2609,7 @@
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@@ -2619,7 +2621,7 @@
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   {
    "cell_type": "markdown",
-   "id": "f95236f3",
+   "id": "9288a562",
    "metadata": {
     "editable": true
    },
@@ -2629,7 +2631,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "57d177dc",
+   "id": "6ffad746",
    "metadata": {
     "editable": true
    },
@@ -2641,7 +2643,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b50dd308",
+   "id": "ffdb1d0f",
    "metadata": {
     "editable": true
    },
@@ -2651,7 +2653,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7a9ea2f8",
+   "id": "d5738333",
    "metadata": {
     "editable": true
    },
@@ -2663,7 +2665,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b133eaa0",
+   "id": "b198d30b",
    "metadata": {
     "editable": true
    },
@@ -2673,7 +2675,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "80289418",
+   "id": "19174eda",
    "metadata": {
     "editable": true
    },
@@ -2685,7 +2687,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "828671ac",
+   "id": "d00c15c8",
    "metadata": {
     "editable": true
    },
@@ -2695,7 +2697,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1aed7162",
+   "id": "fc7c4f64",
    "metadata": {
     "editable": true
    },
@@ -2715,7 +2717,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "a712428a",
+   "id": "8b7dd152",
    "metadata": {
     "editable": true
    },
@@ -2727,7 +2729,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "8be64814",
+   "id": "18859e16",
    "metadata": {
     "editable": true
    },
@@ -2737,7 +2739,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "ef31bd4a",
+   "id": "ec440a10",
    "metadata": {
     "editable": true
    },
@@ -2749,7 +2751,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1ea64f56",
+   "id": "ff372247",
    "metadata": {
     "editable": true
    },
@@ -2765,7 +2767,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f7762df3",
+   "id": "a35c1138",
    "metadata": {
     "editable": true
    },
@@ -2777,7 +2779,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "612b41aa",
+   "id": "c3b4fde1",
    "metadata": {
     "editable": true
    },
@@ -2789,7 +2791,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "8416176f",
+   "id": "c90fe182",
    "metadata": {
     "editable": true
    },
@@ -2799,7 +2801,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0639e6a8",
+   "id": "312adb24",
    "metadata": {
     "editable": true
    },
@@ -2811,7 +2813,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "81347301",
+   "id": "9346e584",
    "metadata": {
     "editable": true
    },
@@ -2823,7 +2825,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "ba62ba33",
+   "id": "94fc1b4e",
    "metadata": {
     "editable": true
    },
@@ -2835,7 +2837,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "72ad6aa4",
+   "id": "b098af10",
    "metadata": {
     "editable": true
    },
@@ -2845,7 +2847,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c136b6a3",
+   "id": "226974b7",
    "metadata": {
     "editable": true
    },
@@ -2857,7 +2859,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "07e155aa",
+   "id": "6f76bc36",
    "metadata": {
     "editable": true
    },
@@ -2867,7 +2869,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f15fa17c",
+   "id": "1ca8ada8",
    "metadata": {
     "editable": true
    },
@@ -2879,7 +2881,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d286854e",
+   "id": "6ac4cc1a",
    "metadata": {
     "editable": true
    },
@@ -2889,7 +2891,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "9bd397e1",
+   "id": "81f53bc7",
    "metadata": {
     "editable": true
    },
@@ -2901,7 +2903,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "aafcb253",
+   "id": "46e66214",
    "metadata": {
     "editable": true
    },
@@ -2912,7 +2914,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "bdf27c01",
+   "id": "5749e12c",
    "metadata": {
     "editable": true
    },
@@ -2924,7 +2926,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "34e0dd1c",
+   "id": "92ea69ff",
    "metadata": {
     "editable": true
    },
@@ -2936,7 +2938,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f948b3a7",
+   "id": "914ef9af",
    "metadata": {
     "editable": true
    },
@@ -2946,7 +2948,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "719e2089",
+   "id": "f2bbc774",
    "metadata": {
     "editable": true
    },
diff --git a/doc/src/week45/week45.do.txt b/doc/src/week45/week45.do.txt
index 46ed8893d..867155892 100644
--- a/doc/src/week45/week45.do.txt
+++ b/doc/src/week45/week45.do.txt
@@ -8,6 +8,7 @@ DATE: today
 * Thursday: Boosting methods, froma AdaBoost to Gradient boosting
   * "Video of lecture":"https://youtu.be/mK48PfCxgYk"
 * Friday:  Gradient boosting and discussion of Decision trees and ensemble methods. Wrapping up trees and start discussing Support Vector Machines
+  * "Video of lecture":"https://youtu.be/v8eJBFeZKuI"
 
 !bblock Videos
 o "Video on Decision trees":"https://www.youtube.com/watch?v=RmajweUFKvM&ab_channel=Simplilearn"