anchor.diff:        </tr>
         <% person_map.each_with_index do |(id, metric), index| %>
           <% color = colors[index] || colors[9] %>
  -      <tr id='<%=_short_id(id)%>'>
  +      <tr class='person' id='<%=_short_id(id)%>'>
           <td style="background-color: <%= color[0] %>;">&nbsp;</td>
           <td class='name'>
             <a href="http://stackalytics.com/?user_id=<%=id%>">
  
positive.code:   <div>
      <canvas id="canvas" height="800" width="1200"></canvas>
    </div>
    <div>
      <table class='table table-hover'>
        <tr>
  
negative.code:   var filterDatasets = function(id, chart_off) {
      var rtn = [];
      for(var i=0; i<datasets.length; i++) {
        if (id == 'all' || datasets[i].label == id ) {
          datasets[i].chart_off = chart_off;
        }
        if (!datasets[i].chart_off) {
  