[jQuery][jqplot]積み重ねの棒グラフを作成

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script src="./jquery.jqplot.min.js"></script>
<script src="./plugins/jqplot.barRenderer.min.js"></script>

<script>
d = [
    [[1,2],[2,3]],
    [[1,4],[2,6]]
];
$.jqplot('barchart', d ,{
    stackSeries: true,
    seriesDefaults:{
      renderer:$.jqplot.BarRenderer,
      highlightMouseDown: true,
      pointLabels: {show: true}
    }
    axes:{
      xaxis:{
        renderer: $.jqplot.CategoryAxisRenderer
      }
      yaxis:{
        min:0
      }
    },
    series:['red','yellow']
});
</script>