pandas.DataFrame.update — pandas 0.16.2 documentation (original) (raw)

other : DataFrame, or object coercible into a DataFrame

join : {‘left’}, default ‘left’

overwrite : boolean, default True

If True then overwrite values for common keys in the calling frame

filter_func : callable(1d-array) -> 1d-array, default None

Can choose to replace values other than NA. Return True for values that should be updated

raise_conflict : boolean

If True, will raise an error if the DataFrame and other both contain data in the same place.