columna API reference - v0.4.1
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    Interface ChartPoint

    interface ChartPoint {
        beyondLimits: boolean;
        center: number;
        index: number;
        lcl: number;
        n?: number;
        rules: NelsonRule[];
        ucl: number;
        value: number;
    }
    Index
    beyondLimits: boolean
    center: number
    index: number
    lcl: number
    n?: number

    Subgroup size (attribute / variable charts with variable n).

    rules: NelsonRule[]

    Nelson rule numbers that fire on this point.

    ucl: number
    value: number