bipolar.ts

 {
    type: 'Bar',
    data: Chartdata['Bi-PolarBar'],
    options: {
      high: 10,
      low: -10,
      axisX: {
        labelInterpolationFnc: function(value: number, index: number): number {
          return index % 2 === 0 ? value : null;
        }
      }
    }
  }
 <x-chartist
    [data]="charts[5].data"
    [type]="charts[5].type"
    [options]="charts[5].options"
    [responsiveOptions]="charts[5].respOpt"
    [events]="charts[5].events">
  </x-chartist>