8000 DEPR: MultiIndex.to_hierarchical by KalyanGokhale · Pull Request #21613 · pandas-dev/pandas · GitHub
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DEPR: MultiIndex.to_hierarchical #21613

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Merged
merged 8 commits into from
Jun 26, 2018
Merged

DEPR: MultiIndex.to_hierarchical #21613

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79d19e4
Initial commit
KalyanGokhale Jun 24, 2018
007f26f
Fixed Depcrecation issue with Sphinx directive
KalyanGokhale Jun 24, 2018
cd78d93
Fixed Sphinx deprecation build error
KalyanGokhale Jun 24, 2018
8727f95
Updated issue number
KalyanGokhale Jun 24, 2018
7aa3bbf
Suppressed warnings
KalyanGokhale Jun 25, 2018
2e5a6da
Force Travis rerun
KalyanGokhale Jun 25, 2018
3eedafc
Force Travis rerun
KalyanGokhale Jun 25, 2018
1d2eb26
Updated for comments
KalyanGokhale Jun 26, 2018
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Updated for comments 
MItoHier
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@KalyanGokhale
KalyanGokhale committed Jun 26, 2018
commit 1d2eb264970ca631f0e3baef0556412ff72dd227
1 change: 0 additions & 1 deletion pandas/core/indexes/multi.py
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Expand Up @@ -189,7 +189,6 @@ class MultiIndex(Index):
from_product
set_levels
set_labels
to_hierarchical
to_frame
is_lexsorted
sortlevel
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1 change: 1 addition & 0 deletions pandas/core/panel.py
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Expand Up @@ -948,6 +948,7 @@ def to_frame(self, filter_observations=True):
data[item] = self[item].values.ravel()[selector]

def construct_multi_parts(idx, n_repeat, n_shuffle=1):
# Replicates and shuffles MultiIndex, returns individual attributes
labels = [np.repeat(x, n_repeat) for x in idx.labels]
# Assumes that each label is divisible by n_shuffle
labels = [x.reshape(n_shuffle, -1).ravel(order='F')
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3 changes: 1 addition & 2 deletions pandas/tests/indexes/test_multi.py
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Expand Up @@ -1673,10 +1673,9 @@ def test_to_frame(self):
tm.assert_frame_equal(result, expected)

def test_to_hierarchical(self):
# GH21613
index = MultiIndex.from_tuples([(1, 'one'), (1, 'two'), (2, 'one'), (
2, 'two')])
# GH21613
# Suppressed deprecation warnings in this original test
with tm.assert_produces_warning(FutureWarning):
result = index.to_hierarchical(3)
expected = MultiIndex(levels=[[1, 2], ['one', 'two']],
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