var pieChartGroupSizeProbabilities = new Chart(document.getElementById('groupSizeChart'),{
  type:'pie',
  data: {
     labels: ['0 active others', '1 active other', '2 active others'],
     datasets: [
     {
        data: [js_vars.g1, js_vars.g2, js_vars.g3],
        backgroundColor: ['#F67280', '#355C7D','#F8B195'], //'#6C5B7B', '#355C7D'
        borderWidth:1
      }
    ],
    options: {
        rotation: 180
    }
   }
});