columna API reference - v0.4.1
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    Interface DecompositionResult

    interface DecompositionResult {
        method: "additive" | "multiplicative";
        residual: number[];
        seasonal: number[];
        seasonalIndices: number[];
        seasonLength: number;
        trend: number[];
    }
    Index
    method: "additive" | "multiplicative"
    residual: number[]
    seasonal: number[]
    seasonalIndices: number[]

    Seasonal indices (length = seasonLength), mean-centred (add) or mean-1 (mult).

    seasonLength: number
    trend: number[]