pandas.Index.hasnans — pandas 3.0.0rc0+52.gb43b95d2b4 documentation (original) (raw)

Index.hasnans[source]#

Return True if there are any NaNs.

Enables various performance speedups.

Returns:

bool

Examples

s = pd.Series([1, 2, 3], index=["a", "b", None]) s a 1 b 2 None 3 dtype: int64 s.index.hasnans True