Method convert2DArrayToSeriesArray

src/danfojs-base/shared/utils.ts:199–208

* Converts a 2D array of array to 1D array for Series Class * @param arr The array to convert.

(arr: ArrayType2D)

     * @param arr The array to convert.
     */
    convert2DArrayToSeriesArray(arr: ArrayType2D): Array<string> {
        const newArr = arr.map((val) => {
            if (this.isObject(val)) {
                return JSON.stringify(val)
            } else {
                return `${val}`
            }
        });
        return newArr;
    }

    /**
     * Replaces all missing values with NaN. Missing values are undefined, Null and Infinity