8000 Add to_flat_index method to MultiIndex by WillAyd · Pull Request #22866 · pandas-dev/pandas · GitHub
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Add to_flat_index method to MultiIndex #22866

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Merged
merged 16 commits into from
Nov 13, 2018
Merged

Add to_flat_index method to MultiIndex #22866

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ccaea63
Added initial test
WillAyd Sep 27, 2018
c9b2629
Method implementation
WillAyd Sep 27, 2018
36a74ce
Merge remote-tracking branch 'upstream/master' into mi-to-index
WillAyd Sep 28, 2018
4774368
Merge remote-tracking branch 'upstream/master' into HEAD
WillAyd Oct 1, 2018
b7150bb
Stubbed out sep parameter
WillAyd Oct 1, 2018
d96f293
Documentation updates
WillAyd Oct 1, 2018
7e651f7
Merge remote-tracking branch 'upstream/master' into mi-to-index
WillAyd Oct 19, 2018
b9c993c
Merge remote-tracking branch 'upstream/master' into mi-to-index
WillAyd Oct 26, 2018
9e5a305
Moved to_index to base
WillAyd Oct 26, 2018
bc60292
Removed unused import
WillAyd Oct 26, 2018
380595f
Returned identity instead of copy for non MI
WillAyd Oct 27, 2018
be06e7d
Fixed up docstring
WillAyd Oct 27, 2018
4376bf6
Merge remote-tracking branch 'upstream/master' into mi-to-index
WillAyd Nov 13, 2018
1ac6200
Changed method name; removed sep parameter
WillAyd Nov 13, 2018
f7a2342
Fixed broken test
WillAyd Nov 13, 2018
bea4e85
Moved to inheritance model
WillAyd Nov 13, 2018
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Fixed up docstring
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@WillAyd
WillAyd committed Oct 27, 2018
commit be06e7d9470e2d4b549c4bedd91cc0cafcfa9b3f
18 changes: 17 additions & 1 deletion pandas/core/indexes/base.py
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Expand Up @@ -1111,6 +1111,11 @@ def to_index(self, sep=None):

.. versionadded:: 0.24.0

Parameters
----------
sep : str, optional
Not yet implemented.

Returns
-------
pd.Index : an Index with the MultiIndex data represented in Tuples.
Expand All @@ -1122,7 +1127,18 @@ def to_index(self, sep=None):

See Also
--------
Index
to_series : Similar method to construct a Series.
to_frame : Similar method to construct a DataFrame.

Examples
--------
>>> index = pd.MultiIndex.from_product(
... [['foo', 'bar'], ['baz', 'qux']],
... names=['a', 'b'])
>>> index.to_index()
Index([('foo', 'baz'), ('foo', 'qux'),
('bar', 'baz'), ('bar', 'qux')],
dtype='object')
"""
if sep is not None:
# TODO: Add support for separator to return strs instad of tuples
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