pandas.StringDtype.na_value

property StringDtype.na_value

The missing value representation for this dtype.

This value indicates which missing value semantics are used by this dtype. Returns np.nan for the default string dtype with NumPy semantics, and pd.NA for the opt-in string dtype with pandas NA semantics.

Examples

>>> ser = pd.Series(["a", "b"])
>>> ser.dtype
<StringDtype(na_value=nan)>
>>> ser.dtype.na_value
nan