diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 514db54..caeeda1 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -47,8 +47,8 @@
       <usages-collector id="statistics.file.extensions.edit">
         <counts>
           <entry key="Dockerfile" value="75" />
-          <entry key="md" value="66" />
-          <entry key="py" value="1674" />
+          <entry key="md" value="104" />
+          <entry key="py" value="1700" />
           <entry key="sh" value="5" />
         </counts>
       </usages-collector>
@@ -56,8 +56,8 @@
         <counts>
           <entry key="Bash" value="5" />
           <entry key="Dockerfile" value="75" />
-          <entry key="Markdown" value="66" />
-          <entry key="Python" value="1674" />
+          <entry key="Markdown" value="104" />
+          <entry key="Python" value="1700" />
         </counts>
       </usages-collector>
     </session>
@@ -85,25 +85,25 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/serve.py">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="238">
-              <caret line="79" column="38" selection-start-line="79" selection-start-column="38" selection-end-line="79" selection-end-column="38" />
+            <state relative-caret-position="134">
+              <caret line="179" column="44" selection-start-line="179" selection-start-column="37" selection-end-line="179" selection-end-column="44" />
               <folding>
                 <element signature="e#18#46#0" expanded="true" />
-                <marker date="1588324145666" expanded="true" signature="5483:5485" ph="..." />
+                <marker date="1588324534076" expanded="true" signature="5494:5496" ph="..." />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
+      <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/README.md">
           <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
             <state split_layout="SPLIT">
-              <first_editor relative-caret-position="60">
-                <caret line="4" column="5" lean-forward="true" selection-start-line="4" selection-start-column="5" selection-end-line="4" selection-end-column="66" />
+              <first_editor relative-caret-position="105">
+                <caret line="7" column="6" selection-start-line="7" selection-start-column="6" selection-end-line="7" selection-end-column="6" />
               </first_editor>
               <second_editor />
             </state>
@@ -154,6 +154,7 @@
       <find>lstm</find>
       <find>used</find>
       <find>mean</find>
+      <find>std</find>
     </findStrings>
   </component>
   <component name="Git.Settings">
@@ -169,8 +170,8 @@
         <option value="$PROJECT_DIR$/main.py" />
         <option value="$PROJECT_DIR$/Dockerfile" />
         <option value="$PROJECT_DIR$/bootstrap.sh" />
-        <option value="$PROJECT_DIR$/README.md" />
         <option value="$PROJECT_DIR$/serve.py" />
+        <option value="$PROJECT_DIR$/README.md" />
       </list>
     </option>
   </component>
@@ -213,7 +214,7 @@
   <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="1588324085798" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588324551639" />
     <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" />
@@ -254,15 +255,16 @@
       <option name="presentableId" value="Default" />
       <updated>1588152877746</updated>
       <workItem from="1588152880522" duration="16973000" />
-      <workItem from="1588319878551" duration="3765000" />
+      <workItem from="1588319878551" duration="4214000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="20738000" />
+    <option name="totallyTimeSpent" value="21187000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
+    <editor active="true" />
     <layout>
       <window_info id="Designer" order="0" />
       <window_info id="UI Designer" order="1" />
@@ -351,16 +353,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-        <state split_layout="SPLIT">
-          <first_editor relative-caret-position="60">
-            <caret line="4" column="5" lean-forward="true" selection-start-line="4" selection-start-column="5" selection-end-line="4" selection-end-column="66" />
-          </first_editor>
-          <second_editor />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/model_tensorflow.py">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="358">
@@ -373,15 +365,25 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/serve.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="238">
-          <caret line="79" column="38" selection-start-line="79" selection-start-column="38" selection-end-line="79" selection-end-column="38" />
+        <state relative-caret-position="134">
+          <caret line="179" column="44" selection-start-line="179" selection-start-column="37" selection-end-line="179" selection-end-column="44" />
           <folding>
             <element signature="e#18#46#0" expanded="true" />
-            <marker date="1588324145666" expanded="true" signature="5483:5485" ph="..." />
+            <marker date="1588324534076" expanded="true" signature="5494:5496" ph="..." />
           </folding>
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="105">
+            <caret line="7" column="6" selection-start-line="7" selection-start-column="6" selection-end-line="7" selection-end-column="6" />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
   </component>
   <component name="masterDetails">
     <states>
diff --git a/serve.py b/serve.py
index 1ca640a..785532b 100644
--- a/serve.py
+++ b/serve.py
@@ -16,8 +16,8 @@ from io import StringIO
 
 
 class Config:
-	feature_columns = list([2, 5])
-	label_columns = [5]
+	feature_columns = list(range(0, 8))
+	label_columns = [5, 6, 7]
 	feature_and_label_columns = feature_columns + label_columns
 	label_in_feature_columns = (lambda x, y: [x.index(i) for i in y])(feature_columns, label_columns)