Method downSample

src/data/SeriesData.ts:1073–1087

* Large data down sampling on given dimension * @param sampleIndex Sample index for name and id

(
        dimension: DimensionLoose,
        rate: number,
        sampleValue: (frameValues: ArrayLike<ParsedValue>) => ParsedValueNumeric,
        sampleIndex: (frameValues: ArrayLike<ParsedValue>, value: ParsedValueNumeric) => number
    )

     * @param sampleIndex Sample index for name and id
     */
    downSample(
        dimension: DimensionLoose,
        rate: number,
        sampleValue: (frameValues: ArrayLike<ParsedValue>) => ParsedValueNumeric,
        sampleIndex: (frameValues: ArrayLike<ParsedValue>, value: ParsedValueNumeric) => number
    ): SeriesData<HostModel> {
        const list = cloneListForMapAndSample(this);
        list._store = this._store.downSample(
            this._getStoreDimIndex(dimension),
            rate,
            sampleValue,
            sampleIndex
        );
        return list as SeriesData<HostModel>;
    }

    /**
     * Large data down sampling using min-max