diff --git a/hw4/.idea/vcs.xml b/hw4/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/hw4/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/hw4/.idea/workspace.xml b/hw4/.idea/workspace.xml
index b809f03..b9080d6 100644
--- a/hw4/.idea/workspace.xml
+++ b/hw4/.idea/workspace.xml
@@ -1,7 +1,223 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="906ccaea-ddf8-4975-a2c6-85ccd75313dc" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/js/barChart.js" beforeDir="false" afterPath="$PROJECT_DIR$/js/barChart.js" 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="FUSProjectUsageTrigger">
+    <session id="-764738881">
+      <usages-collector id="statistics.lifecycle.project">
+        <counts>
+          <entry key="project.closed" value="1" />
+          <entry key="project.open.time.4" value="1" />
+          <entry key="project.open.time.9" value="1" />
+          <entry key="project.opened" value="2" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.open">
+        <counts>
+          <entry key="html" value="1" />
+          <entry key="js" value="4" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.open">
+        <counts>
+          <entry key="HTML" value="1" />
+          <entry key="JavaScript" value="4" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.edit">
+        <counts>
+          <entry key="html" value="83" />
+          <entry key="js" value="1498" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.edit">
+        <counts>
+          <entry key="HTML" value="83" />
+          <entry key="JavaScript" value="1498" />
+        </counts>
+      </usages-collector>
+    </session>
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/hw4.html">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="176">
+              <caret line="49" column="52" lean-forward="true" selection-start-line="49" selection-start-column="52" selection-end-line="49" selection-end-column="52" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/js/barChart.js">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="122">
+              <caret line="34" column="27" lean-forward="true" selection-start-line="34" selection-start-column="27" selection-end-line="34" selection-end-column="27" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/js/infoPanel.js">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="134">
+              <caret line="14" column="15" selection-start-line="14" selection-start-column="15" selection-end-line="14" selection-end-column="15" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/js/map.js">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="225">
+              <caret line="15" column="15" selection-start-line="15" selection-start-column="15" selection-end-line="15" selection-end-column="15" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>xaxis</find>
+    </findStrings>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/hw4.html" />
+        <option value="$PROJECT_DIR$/js/barChart.js" />
+      </list>
+    </option>
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="hw4" type="b2602c69:ProjectViewProjectNode" />
+              <item name="hw4" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+      <pane id="Scope" />
+    </panes>
+  </component>
   <component name="PropertiesComponent">
     <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
   </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="1034e37f-fa7d-4311-a2c3-825b34aefaee" name="Default Changelist" comment="" />
+      <created>1569516236796</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1569516236796</updated>
+      <workItem from="1569516239732" duration="743000" />
+      <workItem from="1569910226658" duration="6468000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="6442000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="0" y="23" width="1280" height="731" extended-state="0" />
+    <editor active="true" />
+    <layout>
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.2494043" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info id="Favorites" order="2" side_tool="true" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Find" order="1" />
+      <window_info anchor="bottom" id="Run" order="2" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="bottom" id="TODO" order="6" weight="0.3286385" />
+      <window_info anchor="bottom" id="Docker" order="7" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Version Control" order="8" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Terminal" order="9" visible="true" weight="0.3286385" />
+      <window_info anchor="bottom" id="Event Log" order="10" side_tool="true" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+    </layout>
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/js/map.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="15" column="15" selection-start-line="15" selection-start-column="15" selection-end-line="15" selection-end-column="15" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/d3.js">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/js/infoPanel.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="134">
+          <caret line="14" column="15" selection-start-line="14" selection-start-column="15" selection-end-line="14" selection-end-column="15" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/hw4.html">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="176">
+          <caret line="49" column="52" lean-forward="true" selection-start-line="49" selection-start-column="52" selection-end-line="49" selection-end-column="52" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/js/barChart.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="122">
+          <caret line="34" column="27" lean-forward="true" selection-start-line="34" selection-start-column="27" selection-end-line="34" selection-end-column="27" />
+        </state>
+      </provider>
+    </entry>
+  </component>
 </project>
\ No newline at end of file
diff --git a/hw4/js/barChart.js b/hw4/js/barChart.js
index 80dea8f..4e40f26 100644
--- a/hw4/js/barChart.js
+++ b/hw4/js/barChart.js
@@ -24,14 +24,49 @@ class BarChart {
 
       let data = this.chooseData(selectedDimension);
 
+      let svgHeight = d3.select("#barChart").style("height").replace("px", "");
+      let svgWidth = d3.select("#barChart").style("width").replace("px", "");
+
       let xaxisHeight = 20;
       let yaxisWidth = 20;
-
+      d3.select("#barChart")
+          .attr("transform", "scale(1,-1)");
+      console.log(data);
+      data.sort(function(a, b) {
+          return a[1] > b[1] ? 1 : -1;
+      });
+      console.log(data);
       let dataNum = [];
       data.forEach(x => dataNum.push(x.data));
       let datadate = [];
       data.forEach(x => datadate.push(x.date));
 
+      let yScale = d3.scaleLinear()
+          .domain([d3.max(dataNum), 0])
+          .range([0 ,d3.select("#barChart").style("height").replace("px", "")-100]);
+      let xScale = d3.scaleBand()
+          .domain(datadate)
+          .range([60, svgWidth - 100]);
+
+      let y_axis = d3.axisLeft()
+          .scale(yScale);
+
+      let x_axis = d3.axisBottom()
+          .scale(xScale);
+
+
+      d3.select("#xAxis")
+          .style("height", xaxisHeight)
+          .attr("transform",  "translate(0, 100) scale(1,-1)")
+          .call(x_axis)
+          .selectAll("text")
+          .attr('transform', 'translate(15, 30) rotate(90)');
+
+
+      d3.select("#yAxis")
+          .style("width", yaxisWidth)
+          .attr("transform",  `translate(60, ${svgHeight}) scale(1,-1)`)
+          .call(y_axis);
     // Create colorScale
 
     // Create the axes (hint: use #xAxis and #yAxis)