Method loadArrayIntoNdframe

src/danfojs-base/core/generic.ts:109–120

* Internal function to load array of data into NDFrame * @param data The array of data to load into NDFrame * @param index Array of numeric or string names for subsetting array. * @param columns Array of column names. * @param dtypes Array of data types for each the column.

({ data, index, columns, dtypes }: LoadArrayDataType)

     * @param dtypes Array of data types for each the column.
    */
    private loadArrayIntoNdframe({ data, index, columns, dtypes }: LoadArrayDataType): void {
        // this.$data = utils.replaceUndefinedWithNaN(data, this.$isSeries);
        this.$data = data
        if (!this.$config.isLowMemoryMode) {
            //In NOT low memory mode, we transpose the array and save in column format.
            //This makes column data retrieval run in constant time
            this.$dataIncolumnFormat = utils.transposeArray(data)
        }
        this.$setIndex(index);
        this.$setDtypes(dtypes);
        this.$setColumnNames(columns);
    }

    /**
     * Internal function to format and load a Javascript object or object of arrays into NDFrame.