pandas.Index.is_boolean#

final Index.is_boolean()[source]#

Check if the Index only consists of booleans.

Deprecated since version 2.0.0: Use pandas.api.types.is_bool_dtype instead.

Returns
bool

Whether or not the Index only consists of booleans.

See also

is_integer

Check if the Index only consists of integers (deprecated).

is_floating

Check if the Index is a floating type (deprecated).

is_numeric

Check if the Index only consists of numeric data (deprecated).

is_object

Check if the Index is of the object dtype (deprecated).

is_categorical

Check if the Index holds categorical data.

is_interval

Check if the Index holds Interval objects (deprecated).

Examples

>>> idx = pd.Index([True, False, True])
>>> idx.is_boolean()  
True

>>> idx = pd.Index(["True", "False", "True"])
>>> idx.is_boolean()  
False

>>> idx = pd.Index([True, False, "True"])
>>> idx.is_boolean()  
False