pandas.api.extensions.ExtensionArray.astype

ExtensionArray. astype ( dtype, copy=True ) [source]

Cast to a NumPy array or ExtensionArray with ‘dtype’.

Parameters

dtype :str or dtype

Typecode or data-type to which the array is cast.

copy :bool, 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

array :np.ndarray or ExtensionArray

An ExtensionArray if dtype is ExtensionDtype, Otherwise a NumPy ndarray with ‘dtype’ for its dtype.