Method getSum

src/data/DataStore.ts:496–508

* Get sum of data in one dimension

(dim: DimensionIndex)

     * Get sum of data in one dimension
     */
    getSum(dim: DimensionIndex): number {
        const dimData = this._chunks[dim];
        let sum = 0;
        if (dimData) {
            for (let i = 0, len = this.count(); i < len; i++) {
                const value = this.get(dim, i) as number;
                if (!isNaN(value)) {
                    sum += value;
                }
            }
        }
        return sum;
    }

    /**
     * Get median of data in one dimension