From c58d8587d6239aa2f9f713d9361afc7994347555 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 1 Oct 2026 10:49:45 +1300
Subject: [PATCH 1/5] add age button

---
 index.htm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/index.htm b/index.htm
index bd5e033..b4d241d 100644
--- a/index.htm
+++ b/index.htm
@@ -27,6 +27,10 @@ <h2>Linear regression</h2>
     <input type="button" class="btn btn-success" value="load dataset" onclick="document.editor.textbox.value+='\ndftrain = pd.read_csv(\'https://storage.googleapis.com/tf-datasets/titanic/train.csv\') # training data\ndfeval = pd.read_csv(\'https://storage.googleapis.com/tf-datasets/titanic/eval.csv\') # testing data\ny_train = dftrain.pop(\'survived\')\ny_eval = dfeval.pop(\'survived\')'" />
   </p>
 
+  <p>
+    <input type="button" class="btn btn-success" value="age" onclick="document.editor.textbox.value+='\ndftrain.age.hist(bins=20)'" />
+  </p>
+
 </div>
           </td>
           <td id="textbox">

From 653bdbac03fac784f4aaa2e419910f727140e100 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 1 Oct 2026 10:51:07 +1300
Subject: [PATCH 2/5] add gender button

---
 index.htm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.htm b/index.htm
index b4d241d..eaf8718 100644
--- a/index.htm
+++ b/index.htm
@@ -29,6 +29,7 @@ <h2>Linear regression</h2>
 
   <p>
     <input type="button" class="btn btn-success" value="age" onclick="document.editor.textbox.value+='\ndftrain.age.hist(bins=20)'" />
+    <input type="button" class="btn btn-success" value="gender" onclick="document.editor.textbox.value+='\ndftrain.sex.value_counts().plot(kind=\'barh\')'" />
   </p>
 
 </div>

From 1f39c2c76eef7f1e034319555f9dbfcd1153c9f9 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 1 Oct 2026 10:52:32 +1300
Subject: [PATCH 3/5] add class button

---
 index.htm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.htm b/index.htm
index eaf8718..502a63a 100644
--- a/index.htm
+++ b/index.htm
@@ -30,6 +30,7 @@ <h2>Linear regression</h2>
   <p>
     <input type="button" class="btn btn-success" value="age" onclick="document.editor.textbox.value+='\ndftrain.age.hist(bins=20)'" />
     <input type="button" class="btn btn-success" value="gender" onclick="document.editor.textbox.value+='\ndftrain.sex.value_counts().plot(kind=\'barh\')'" />
+    <input type="button" class="btn btn-success" value="class" onclick="document.editor.textbox.value+='\ndftrain[\'class\'].value_counts().plot(kind=\'barh\')'" />
   </p>
 
 </div>

From cd3d6549e36e5772bd1686a64891e81dc61d173d Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 1 Oct 2026 10:54:20 +1300
Subject: [PATCH 4/5] add stats button

---
 index.htm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.htm b/index.htm
index 502a63a..ac7c86e 100644
--- a/index.htm
+++ b/index.htm
@@ -31,6 +31,7 @@ <h2>Linear regression</h2>
     <input type="button" class="btn btn-success" value="age" onclick="document.editor.textbox.value+='\ndftrain.age.hist(bins=20)'" />
     <input type="button" class="btn btn-success" value="gender" onclick="document.editor.textbox.value+='\ndftrain.sex.value_counts().plot(kind=\'barh\')'" />
     <input type="button" class="btn btn-success" value="class" onclick="document.editor.textbox.value+='\ndftrain[\'class\'].value_counts().plot(kind=\'barh\')'" />
+    <input type="button" class="btn btn-success" value="stats" onclick="document.editor.textbox.value+='\npd.concat([dftrain, y_train], axis=1).groupby(\'sex\').survived.mean().plot(kind=\'barh\').set_xlabel(\'% survive\')'" />
   </p>
 
 </div>

From d6b28cb43e3e2a04396b9c363d1795b399190251 Mon Sep 17 00:00:00 2001
From: Supravisor <153783117+Supravisor@users.noreply.github.com>
Date: Thu, 1 Oct 2026 10:57:25 +1300
Subject: [PATCH 5/5] add list of features button

---
 index.htm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/index.htm b/index.htm
index ac7c86e..4a5c778 100644
--- a/index.htm
+++ b/index.htm
@@ -34,6 +34,10 @@ <h2>Linear regression</h2>
     <input type="button" class="btn btn-success" value="stats" onclick="document.editor.textbox.value+='\npd.concat([dftrain, y_train], axis=1).groupby(\'sex\').survived.mean().plot(kind=\'barh\').set_xlabel(\'% survive\')'" />
   </p>
 
+  <p>
+    <input type="button" class="btn btn-success" value="list of features" onclick="document.editor.textbox.value+=''" />
+  </p>
+
 </div>
           </td>
           <td id="textbox">