columna API reference - v0.5.0
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    Interface ControlChartOptions

    interface ControlChartOptions {
        center?: number;
        mu?: number;
        rules?: NelsonRule[];
        sigma?: number;
        sigmaZ?: number;
        sizes?: ArrayLike<number>;
        subgroup?: number;
        type?: ControlChartType;
    }
    Index
    center? mu? rules? sigma? sigmaZ? sizes? subgroup? type?
    center?: number

    Historical center for attribute charts.

    mu?: number

    Known process mean (I-MR / Z-MR); default = sample mean.

    rules?: NelsonRule[]

    Nelson rules to apply (default all 1–8). Empty → limits only.

    sigma?: number

    Known process sigma; default estimated from MR / R / S.

    sigmaZ?: number

    Optional historical Laney sigma-z; finite and positive.

    sizes?: ArrayLike<number>

    Attribute: trials / sample sizes per point (P, NP, U, Laney).

    subgroup?: number

    Subgroup size for X̄-R / X̄-S, or when x is a flat vector.

    type?: ControlChartType

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