pandas.arrays.IntervalArray.isna¶
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IntervalArray.isna()[source]¶ A 1-D array indicating if each value is missing.
Returns: - na_values : Union[np.ndarray, ExtensionArray]
In most cases, this should return a NumPy ndarray. For exceptional cases like
SparseArray, where returning an ndarray would be expensive, an ExtensionArray may be returned.
Notes
If returning an ExtensionArray, then
na_values._is_booleanshould be True- na_values should implement
ExtensionArray._reduce() na_values.anyandna_values.allshould be implemented