anchor.diff:    var filterDatasets = function(id, chart_off) {
       var rtn = [];
       for(var i=0; i<datasets.length; i++) {
  -      if (datasets[i].label == id ) {
  +      if (id == 'all' || datasets[i].label == id ) {
           datasets[i].chart_off = chart_off;
         }
         if (!datasets[i].chart_off) {
  
positive.code:   <div>
      <canvas id="canvas" height="800" width="1200"></canvas>
    </div>
    <div>
      <table class='table table-hover'>
        <tr>
  
negative.code:       </tr>
        <% person_map.each_with_index do |(id, metric), index| %>
          <% color = colors[index] || colors[9] %>
        <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%>">
  