This is the chart that was used on the front page (as of December 2013).
This goes in the documents header:<script src="RGraph.common.core.js"></script> <script src="RGraph.common.dynamic.js"></script> <script src="RGraph.common.tooltips.js"></script> <script src="RGraph.pie.js"></script> <script src="RGraph.bar.js"></script> <link rel="stylesheet" href="../css/animate.css" type="text/css" media="screen" />Put this where you want the chart to show up:
<canvas id="cvs" width="600" height="250"> [No canvas support] </canvas>This is the code that generates the chart: