'updated_sample_dataset'

.idea/workspace.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="1a1b2fc9-e664-4b80-be31-181ccebefc6b" name="Default Changelist" comment="" />
+    <list default="true" id="1a1b2fc9-e664-4b80-be31-181ccebefc6b" name="Default Changelist" comment="">
+      <change afterPath="$PROJECT_DIR$/dataset.csv" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+    </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
-  <component name="ComposerSettings" synchronizationState="SYNCHRONIZE">
+  <component name="ComposerSettings" doNotAsk="true" synchronizationState="SYNCHRONIZE">
     <pharConfigPath>$PROJECT_DIR$/Core/composer.json</pharConfigPath>
     <execution />
   </component>
@@ -40,6 +43,7 @@
       <updated>1613414107534</updated>
       <workItem from="1613414111905" duration="2105000" />
       <workItem from="1620655555354" duration="2608000" />
+      <workItem from="1620716105732" duration="322000" />
     </task>
     <servers />
   </component>

dataset.csv

@@ -1217,3 +1217,26 @@ hours,score
 3.5,30
 1.5,20
 9.2,88
+9.2,90
+5.5,60
+8.3,80
+2.7,30
+7.7,80
+5.9,60
+4.5,50
+3.3,30
+1.1,10
+8.9,90
+2.5,30
+1.9,20
+6.1,60
+7.4,70
+2.7,30
+4.8,50
+3.8,40
+6.9,70
+7.8,80
+5.5,60
+6.7,70
+1.7,20
+6.6,70