pandas.MultiIndex.get_loc

MultiIndex.get_loc(key, method=None)

Get location for a label or a tuple of labels.

The location is returned as an integer/slice or boolean mask.

Parameters

keylabel or tuple of labels (one for each level)

methodNone

Returns

locint, slice object or boolean mask

If the key is past the lexsort depth, the return may be a boolean mask array, otherwise it is always a slice or int.

See also

Index.get_loc

The get_loc method for (single-level) index.

MultiIndex.slice_locs

Get slice location given start label(s) and end label(s).

MultiIndex.get_locs

Get location for a label/slice/list/mask or a sequence of such.

Notes

The key cannot be a slice, list of same-level labels, a boolean mask, or a sequence of such. If you want to use those, use MultiIndex.get_locs() instead.

Examples

>>> mi = pd.MultiIndex.from_arrays([list('abb'), list('def')])

>>> mi.get_loc('b')
slice(1, 3, None)

>>> mi.get_loc(('b', 'e'))
1

pandas.MultiIndex.codes pandas.MultiIndex.get_loc_level