anchor.diff:  <th>Kata<br>Name</th>
   <th>Lang/<br>Framework</th>
   <th>Markups</th>
  +<th>Markup Agreement</th>
   <th>InterRated</th>
   <th>Markup</th>
   <th>Comparison</th>
  
positive.code: 
  <script>
  $(document).ready(function() {
    console.log(gon);
    
    gon.all_sessions_markup.forEach(
      function(element, index) {
        console.log(element);
        // console.log(index);
        var totalMarkedUpPhases = 0;
        var markedupBy = new Object();
        for (var i = 0; i < element.markup.length; i++) {
          console.log(element.markup[i]);
          // var markedupBy = new Array();
          // for(var j = 0; j < element.markup[i].)
          console.log(element.markup[i].user);
          var numMarkedupPhases = element.markup[i].last_compile_in_phase - element.markup[i].first_compile_in_phase ;
          var tempMarkup = markedupBy[element.markup[i].user];
          if(tempMarkup == undefined){
            tempMarkup = 0;
          }
          markedupBy[element.markup[i].user] = tempMarkup + numMarkedupPhases;
  
        }
        element.session.markedupBy = JSON.stringify(markedupBy);
        console.log(markedupBy);
      });
  
  
  
    table = $('#myTable').DataTable({
      "data": gon.all_sessions_markup,
  
negative.code:       "data": 'session.markedupBy',
        "width": '20px'
      }, {
        "className": 'markup_agreement',
        "data": 'numAgreed',
        "width": '20px'
      }, {
        "className": 'inter_rated',
        "data": 'interRater',
        "width": '20px'
  