pandas / 0.18.1 / generated / pandas.categoricalindex.get_indexer_non_unique.html /

pandas.CategoricalIndex.get_indexer_non_unique

CategoricalIndex.get_indexer_non_unique(target)

this is the same for a CategoricalIndex for get_indexer; the API returns the missing values as well

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https://pandas.pydata.org/pandas-docs/version/0.18.1/generated/pandas.CategoricalIndex.get_indexer_non_unique.html