Method getRowAndColValues

src/danfojs-base/shared/utils.ts:180–193

* Retrieve row array and column names from an object of the form {a: [1,2,3,4], b: [30,20, 30, 20]} * @param obj The object to retrieve rows and column names from.

(obj: object)

     * @param obj The object to retrieve rows and column names from.
     */
    getRowAndColValues(obj: object): [ArrayType1D | ArrayType2D, string[]] {
        const colNames = Object.keys(obj);
        const colData = Object.values(obj);
        const firstColLen = colData[0].length;

        colData.forEach((cdata) => {
            if (cdata.length != firstColLen) {
                throw Error("Length Error: Length of columns must be the same!");
            }
        });

        const rowsArr = this.transposeArray(colData)
        return [rowsArr, colNames];
    }

    /**
     * Converts a 2D array of array to 1D array for Series Class