pandas.Index.get_indexer_for — pandas 3.0.0.dev0+2102.g839747c3f6 documentation (original) (raw)

final Index.get_indexer_for(target)[source]#

Guaranteed return of an indexer even when non-unique.

This dispatches to get_indexer or get_indexer_non_unique as appropriate.

Parameters:

targetIndex

An iterable containing the values to be used for computing indexer.

Returns:

np.ndarray[np.intp]

List of indices.

See also

Index.get_indexer

Computes indexer and mask for new index given the current index.

Index.get_non_unique

Returns indexer and masks for new index given the current index.

Examples

idx = pd.Index([np.nan, "var1", np.nan]) idx.get_indexer_for([np.nan]) array([0, 2])