title: nvd3 multiBarChart not showing x axis
body: <p>Hi i tried to create a nvd3 multibarchart but i can't get x-axis display.
  I searched online but cannot find a solution to my issue.
  here is complete code please help. i also attached a pix for output. Thanks!</p>
  
  <pre><code> &lt;script&gt;
   function data0() {
       var a0 = [],
       a1 = [];
  
  
  a0.push({ x: 1, y: 5065});
  a0.push({ x: 2, y: 11464});
  a0.push({ x: 3, y: 200});
  a0.push({ x: 4, y: 100});
  a0.push({ x: 5, y: 0});
  a0.push({ x: 6, y: 0});
  a0.push({ x: 7, y: 100});
  a0.push({ x: 8, y: 2200});
  a0.push({ x: 9, y: 2200});
  a0.push({ x: 10, y: 0});
  a0.push({ x: 11, y: 0});
  a0.push({ x: 12, y: 0});
  a0.push({ x: 13, y: 0});
  a0.push({ x: 14, y: 0});
  
  a1.push({ x: 1, y: 148});
  a1.push({ x: 2, y: 2966});
  a1.push({ x: 3, y: 1200});
  a1.push({ x: 4, y: 79});
  a1.push({ x: 5, y: 0});
  a1.push({ x: 6, y: 0});
  a1.push({ x: 7, y: 0});
  a1.push({ x: 8, y: 2185});
  a1.push({ x: 9, y: 2185});
  a1.push({ x: 10, y: 0});
  a1.push({ x: 11, y: 0});
  a1.push({ x: 12, y: 0});
  a1.push({ x: 13, y: 0});
  a1.push({ x: 14, y: 0});
  
  
  
              return [
                      {
                          values: a1,
                          key: 'Queue',
                          color: '#04B45F'
                      },
                      {
                          values: a0,
                          key: 'In Progress',
                          color: '#DBA901',
                          area: true
                      }
              ];
          }
          nv.addGraph(function () {
  
              var chart = nv.models.multiBarChart()
                      .margin({ left: 65, right: 40, bottom: 45 })
                      .stacked(true)
                      .showControls(false)
              ;
  
  
              chart.xAxis
                  .axisLabel("Daily")
                  .rotateLabels(0)
                  .tickValues([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14])
                  .tickSize(12)
                  .showMaxMin(false)
                  .tickFormat(function (d) {
                      var _tools = ["", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N"]
                      return _tools[d]
              });
  
  
  
  
              chart.yAxis
                  .axisLabel("Number of[enter image description here][1]")
                  .tickFormat(d3.format(',.0f'));
  
              d3.select('#BarChart-Cell svg')
              .datum(data0)
              .transition()
              .duration(500)
              .call(chart)
              ;
  
              nv.utils.windowResize(chart.update);
  
              return chart;
          });
      &lt;/script&gt;
  </code></pre>
  
  <p>[ <a href="http://i.stack.imgur.com/HNNJf.png" rel="nofollow">http://i.stack.imgur.com/HNNJf.png</a> ]</p>