Type Alias ChartExGroupType

ChartExGroupType:
    | "waterfall"
    | "histogram"
    | "boxWhisker"
    | "treemap"
    | "sunburst"
    | "funnel"
    | "regionMap"

A 2016 chart type. A histogram's series bin their values, or sum them by category when LayoutProperties.aggregation says so (a pareto chart, with a Series.cumulativeLine).