pandas.api.extensions.ExtensionArray._from_factorized#
- classmethod ExtensionArray._from_factorized(values, original)[source]#
Reconstruct an ExtensionArray after factorization.
- Parameters:
- valuesndarray
An integer ndarray with the factorized values.
- originalExtensionArray
The original ExtensionArray that factorize was called on.
See also
factorize
Top-level factorize method that dispatches here.
ExtensionArray.factorize
Encode the extension array as an enumerated type.
Examples
>>> interv_arr = pd.arrays.IntervalArray([pd.Interval(0, 1), ... pd.Interval(1, 5), pd.Interval(1, 5)]) >>> codes, uniques = pd.factorize(interv_arr) >>> pd.arrays.IntervalArray._from_factorized(uniques, interv_arr) <IntervalArray> [(0, 1], (1, 5]] Length: 2, dtype: interval[int64, right]