mars.dataframe.DataFrame.insert#

DataFrame.insert(loc, column, value, allow_duplicates=False)#

Insert column into DataFrame at specified location.

Raises a ValueError if column is already contained in the DataFrame, unless allow_duplicates is set to True.

Parameters

  • loc (int) – Insertion index. Must verify 0 <= loc <= len(columns).

  • column (str, number, or hashable object) – Label of the inserted column.

  • value (int, Series, or array-like) –

  • allow_duplicates (bool, optional) –