pandas.api.extensions.ExtensionArray.astype#
- ExtensionArray.astype(dtype, copy=True)[source]#
Cast to a NumPy array or ExtensionArray with ‘dtype’.
- Parameters
- dtypestr or dtype
Typecode or data-type to which the array is cast.
- copybool, default True
Whether to copy the data, even if not necessary. If False, a copy is made only if the old dtype does not match the new dtype.
- Returns
- arraynp.ndarray or ExtensionArray
An ExtensionArray if dtype is ExtensionDtype, Otherwise a NumPy ndarray with ‘dtype’ for its dtype.