pandas.Index.all¶
-
Index.
all
(*args, **kwargs)[source]¶ Return whether all elements are True.
Parameters: *args
These parameters will be passed to numpy.all.
**kwargs
These parameters will be passed to numpy.all.
Returns: all : bool or array_like (if axis is specified)
A single element array_like may be converted to bool.
See also
pandas.Index.any
- Return whether any element in an Index is True.
pandas.Series.any
- Return whether any element in a Series is True.
pandas.Series.all
- Return whether all elements in a Series are True.
Notes
Not a Number (NaN), positive infinity and negative infinity evaluate to True because these are not equal to zero.
Examples
all
True, because nonzero integers are considered True.
>>> pd.Index([1, 2, 3]).all() True
False, because
0
is considered False.>>> pd.Index([0, 1, 2]).all() False
any
True, because
1
is considered True.>>> pd.Index([0, 0, 1]).any() True
False, because
0
is considered False.>>> pd.Index([0, 0, 0]).any() False