Method convertArrayToObject

src/danfojs-base/shared/utils.ts:386–393

* Converts an array to an object using array index as object keys * @param arr The array

(arr: ArrayType1D | ArrayType2D)

     * @param arr The array 
    */
    convertArrayToObject(arr: ArrayType1D | ArrayType2D) {
        const arrObj: any = {};
        for (let i = 0; i < arr.length; i++) {
            arrObj[i] = arr[i];

        }
        return arrObj;
    }

    /**
     * Count the NaN and non-NaN values present in an array