pandas.core.groupby.GroupBy.all

GroupBy.all(skipna=True)[source]

Return True if all values in the group are truthful, else False.

Parameters

skipna:bool, default True

Flag to ignore nan values during truth testing.

Returns

Series or DataFrame

DataFrame or Series of boolean values, where a value is True if all elements are True within its respective group, False otherwise.

See also

Series.groupby

Apply a function groupby to a Series.

DataFrame.groupby

Apply a function groupby to each row or column of a DataFrame.