diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 22f47ab..60984d7 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -47,7 +47,7 @@
         <counts>
           <entry key="Dockerfile" value="81" />
           <entry key="md" value="104" />
-          <entry key="py" value="2643" />
+          <entry key="py" value="2657" />
           <entry key="sh" value="5" />
         </counts>
       </usages-collector>
@@ -56,7 +56,7 @@
           <entry key="Bash" value="5" />
           <entry key="Dockerfile" value="81" />
           <entry key="Markdown" value="104" />
-          <entry key="Python" value="2643" />
+          <entry key="Python" value="2657" />
         </counts>
       </usages-collector>
     </session>
@@ -91,8 +91,8 @@
       <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/train.py">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="136">
-              <caret line="61" column="52" selection-start-line="61" selection-start-column="52" selection-end-line="61" selection-end-column="52" />
+            <state relative-caret-position="333">
+              <caret line="124" column="43" selection-start-line="124" selection-start-column="43" selection-end-line="124" selection-end-column="43" />
               <folding>
                 <element signature="e#0#28#0" expanded="true" />
               </folding>
@@ -224,7 +224,7 @@
   <component name="PropertiesComponent">
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="aspect.path.notification.shown" value="true" />
-    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588386754517" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588387322622" />
     <property name="go.gopath.indexing.explicitly.defined" value="true" />
     <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
@@ -265,12 +265,12 @@
       <option name="presentableId" value="Default" />
       <updated>1588152877746</updated>
       <workItem from="1588152880522" duration="16973000" />
-      <workItem from="1588319878551" duration="21647000" />
+      <workItem from="1588319878551" duration="22078000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="38620000" />
+    <option name="totallyTimeSpent" value="39051000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
@@ -395,8 +395,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/train.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="136">
-          <caret line="61" column="52" selection-start-line="61" selection-start-column="52" selection-end-line="61" selection-end-column="52" />
+        <state relative-caret-position="333">
+          <caret line="124" column="43" selection-start-line="124" selection-start-column="43" selection-end-line="124" selection-end-column="43" />
           <folding>
             <element signature="e#0#28#0" expanded="true" />
           </folding>
diff --git a/train.py b/train.py
index 2c0fd37..f9f6745 100644
--- a/train.py
+++ b/train.py
@@ -86,7 +86,7 @@ def experiment(repeats, series, seed):
 	raw_values = series.values
 	diff_values = difference(raw_values, 1)
 	# transform data to be supervised learning
-	supervised = timeseries_to_supervised(diff_values, 1)
+	supervised = timeseries_to_supervised(diff_values, 4)
 	supervised_values = supervised.values
 	# split data into train and test-sets
 	train, test = supervised_values[0:-12], supervised_values[-12:]