pandas.MultiIndex.from_arrays
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classmethod MultiIndex.from_arrays(arrays, sortorder=None, names=None)
[source] -
Convert arrays to MultiIndex.
Parameters: -
arrays : list / sequence of array-likes
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Each array-like gives one level’s value for each data point. len(arrays) is the number of levels.
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sortorder : int or None
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Level of sortedness (must be lexicographically sorted by that level).
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names : list / sequence of str, optional
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Names for the levels in the index.
Returns: -
index : MultiIndex
See also
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MultiIndex.from_tuples
- Convert list of tuples to MultiIndex.
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MultiIndex.from_product
- Make a MultiIndex from cartesian product of iterables.
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MultiIndex.from_frame
- Make a MultiIndex from a DataFrame.
Examples
>>> arrays = [[1, 1, 2, 2], ['red', 'blue', 'red', 'blue']] >>> pd.MultiIndex.from_arrays(arrays, names=('number', 'color')) MultiIndex(levels=[[1, 2], ['blue', 'red']], codes=[[0, 0, 1, 1], [1, 0, 1, 0]], names=['number', 'color'])
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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.24.2/reference/api/pandas.MultiIndex.from_arrays.html