diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index a17d642..ff7dd32 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,10 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="0aedafd8-e57e-462a-beda-65af0b91f3df" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/train.py" beforeDir="false" afterPath="$PROJECT_DIR$/train.py" afterDir="false" />
-    </list>
+    <list default="true" id="0aedafd8-e57e-462a-beda-65af0b91f3df" name="Default Changelist" comment="" />
     <ignored path="$PROJECT_DIR$/out/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -105,8 +102,8 @@
       <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="91">
-              <caret line="66" column="18" selection-start-line="66" selection-start-column="14" selection-end-line="66" selection-end-column="18" />
+            <state relative-caret-position="118">
+              <caret line="90" column="12" lean-forward="true" selection-start-line="90" selection-start-column="12" selection-end-line="90" selection-end-column="12" />
               <folding>
                 <element signature="e#0#28#0" expanded="true" />
               </folding>
@@ -244,7 +241,7 @@
   <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="1588404661725" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588407548352" />
     <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" />
@@ -285,12 +282,12 @@
       <option name="presentableId" value="Default" />
       <updated>1588152877746</updated>
       <workItem from="1588152880522" duration="16973000" />
-      <workItem from="1588319878551" duration="30177000" />
+      <workItem from="1588319878551" duration="30323000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="47150000" />
+    <option name="totallyTimeSpent" value="47296000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
@@ -437,8 +434,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/train.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="91">
-          <caret line="66" column="18" selection-start-line="66" selection-start-column="14" selection-end-line="66" selection-end-column="18" />
+        <state relative-caret-position="118">
+          <caret line="90" column="12" lean-forward="true" selection-start-line="90" selection-start-column="12" selection-end-line="90" selection-end-column="12" />
           <folding>
             <element signature="e#0#28#0" expanded="true" />
           </folding>
diff --git a/train.py b/train.py
index ea3a88f..2d8da3c 100644
--- a/train.py
+++ b/train.py
@@ -92,7 +92,11 @@ def experiment(repeats, series, seed):
 	supervised = timeseries_to_supervised(diff_values, lag2)
 	supervised_values = supervised.values
 
-	test_data_num = 32
+	batch_size = 32
+	if supervised_values.shape[0] < 100:
+		batch_size = 16
+	test_data_num = batch_size
+
 	# split data into train and test-sets
 	train, test = supervised_values[0:-test_data_num], supervised_values[-test_data_num:]
 	# transform the scale of the data
@@ -103,7 +107,6 @@ def experiment(repeats, series, seed):
 	error_scores = list()
 	for r in range(repeats):
 		# fit the model
-		batch_size = 32
 		t1 = train.shape[0] % batch_size
 		t2 = test.shape[0] % batch_size