mCordPortal/src/app/components/related-stats/related-stats.tpl.html

<div class="row text-center">
  <div class="col-xs-6">
    <a ng-click="vm.setChart('download_data')" 
      ng-class="{active: vm.selectedStats == 'download_data'}"
      class="btn btn-primary-border">Download</a>
  </div>
  <div class="col-xs-6">
    <a ng-click="vm.setChart('upload_data')" 
      ng-class="{active: vm.selectedStats == 'upload_data'}"
      class="btn btn-primary-border">Upload</a>
  </div>
</div>
<canvas id="line" class="chart chart-line" chart-data="vm.stats.data"
    chart-labels="vm.stats.labels" chart-legend="true" chart-series="vm.stats.series"></canvas>