pandas.Index.slice_indexer — pandas 0.24.0rc1 documentation (original) (raw)
Index. slice_indexer(start=None, end=None, step=None, kind=None)[source]¶
For an ordered or unique index, compute the slice indexer for input labels and step.
| Parameters: | start : label, default None If None, defaults to the beginning end : label, default None If None, defaults to the end step : int, default None kind : string, default None |
|---|---|
| Returns: | indexer : slice |
| Raises: | KeyError : If key does not exist, or key is not unique and index is not ordered. |
Notes
This function assumes that the data is sorted, so use at your own peril
Examples
This is a method on all index types. For example you can do:
idx = pd.Index(list('abcd')) idx.slice_indexer(start='b', end='c') slice(1, 3)
idx = pd.MultiIndex.from_arrays([list('abcd'), list('efgh')]) idx.slice_indexer(start='b', end=('c', 'g')) slice(1, 3)