8000 BUG: .iloc[:] and .loc[:] return a copy of the original object #13873 by margaret · Pull Request #16443 · pandas-dev/pandas · GitHub
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BUG: .iloc[:] and .loc[:] return a copy of the original object #13873 #16443

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Merged
merged 13 commits into from
Jun 14, 2017
Merged

BUG: .iloc[:] and .loc[:] return a copy of the original object #13873 #16443

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f8c2202
BUG: .iloc[:] and .loc[:] return copy of original object (#13873)
margaret May 22, 2017
84f2d5d
iloc and loc return new object when slice is a tuple
margaret May 22, 2017
fd47ef0
Revert "iloc and loc return new object when slice is a tuple"
margaret May 23, 2017
ef0af94
return a shallow copy instead of deep copy
margaret May 23, 2017
cd4980e
_getitem_lowerdim won't return copy of object if called with [:]
margaret May 23, 2017
6771c59
Add item for indexers returning new object instead of original
margaret May 23, 2017
a405a10
grammar correction - i.e. to e.g.
margaret May 23, 2017
ad1be5d
fix some spacing and linting errors
margaret May 25, 2017
c139b47
remove indexer type from test name
margaret May 25, 2017
7634d3b
add tests for Series
margaret May 25, 2017
c78c43c
test that df.loc[:,0] returns a view
margaret May 25, 2017
3f33c61
fix linting error
margaret May 27, 2017
d130824
add tests for direct slicing
margaret Jun 3, 2017
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Add item for indexers returning new object instead of original
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@margaret
margaret committed Jun 14, 2017
commit 6771c595f10f27d1ecb5d107768680ff753d8a07
1 change: 1 addition & 0 deletions doc/source/whatsnew/v0.21.0.txt
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Expand Up @@ -97,6 +97,7 @@ Conversion
Indexing
^^^^^^^^

- When called with a null slice (i.e. ``df.iloc[:]``), the``iloc`` and ``loc`` indexers return a shallow copy of the original object. Previously they returned the original object. (:issue:`13873`).


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