dataFrame.columns — add()
Description
The add() method of the columns object adds one or more columns to the DataFrame.
Signature
dataFrame.columns.add(values)Argument
columns(array)- The column values to add. Each inner array represents a column.
Example
// add columns to the dataFrame
var columns = [
['col_1', 'col_2'],
[1, 2]
];
dataFrame.columns.add(columns);