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BUG: Fix some PeriodIndex resampling issues #16153

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Merged
merged 20 commits into from
Oct 1, 2017
Merged

BUG: Fix some PeriodIndex resampling issues #16153

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ca7b6f2
CLN: move PeriodIndex binning code to TimeGrouper
winklerand Apr 26, 2017
c27f430
TST/CLN: raise error when resampling with on= or level= selection
winklerand Apr 26, 2017
390e16e
BUG: resampling PeriodIndex now returns PeriodIndex (GH 12884, 15944)
winklerand Apr 26, 2017
23566c2
BUG: OHLC-upsampling of PeriodIndex now returns DataFrame (GH 13083)
winklerand Apr 26, 2017
a82879d
BUG: enable resampling with NaT in PeriodIndex (GH 13224)
winklerand Apr 26, 2017
4b1c740
CLN: remove warning on falling back to tstamp resampling with loffset
winklerand Apr 30, 2017
73c0990
CLN: use memb._isnan for NaT masking
winklerand May 1, 2017
fa6c1d3
DOC: added issue reference for OHLC resampling
winklerand May 1, 2017
7ea04e9
STYLE: added blank lines
winklerand May 1, 2017
82a8275
TST: convert to parametrized tests / pytest idiom
winklerand May 6, 2017
432c623
CLN/TST: call assert_almost_equal() when comparing Series/DataFrames
winklerand May 6, 2017
c8814fb
STYLE: added blank lines, removed odd whitespace, fixed typo
winklerand May 13, 2017
486ad67
TST: add test case for multiple consecutive NaTs in PeriodIndex
winklerand May 13, 2017
ad8519f
TST/DOC: added issue number to test case
winklerand May 13, 2017
39fc7e2
TST: consolidate test_asfreq_downsample, test_asfreq_upsample -> test…
winklerand May 13, 2017
efcad5b
TST: set fixtures to default function scoping
winklerand May 13, 2017
41401d4
TST: convert constant 'setup-like' values/objects to pytest fixtures
winklerand May 13, 2017
398a684
DOC: whatsnew v0.21.0 entry (in API changes section)
winklerand May 21, 2017
8358c41
fixups
jreback Sep 28, 2017
6084e0c
moar whatsnew
jreback Sep 29, 2017
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moar whatsnew
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@jreback
jreback committed Sep 29, 2017
commit 6084e0ce24218056de5890d88a1def47b636e63e
4 changes: 1 addition & 3 deletions doc/source/whatsnew/v0.21.0.txt
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Expand Up @@ -176,7 +176,7 @@ Backwards incompatible API changes
``PeriodIndex`` resampling
^^^^^^^^^^^^^^^^^^^^^^^^^^

In previous versions of pandas, resampling a ``Series``/``DataFrame`` indexed by a ``PeriodIndex`` returned a ``DatetimeIndex`` in some cases (:issue:`12884`). Resampling to a multiplied frequency now returns a ``PeriodIndex`` (:issue:`15944`).
In previous versions of pandas, resampling a ``Series``/``DataFrame`` indexed by a ``PeriodIndex`` returned a ``DatetimeIndex`` in some cases (:issue:`12884`). Resampling to a multiplied frequency now returns a ``PeriodIndex`` (:issue:`15944`). As a minor enhancement, resampling a ``PeriodIndex`` can now handle ``NaT`` values (:issue:`13224`)

Previous Behavior:

Expand Down Expand Up @@ -248,8 +248,6 @@ New Behavior:
s.resample('M').ohlc()


As a minor enhancement, resampling a ``PeriodIndex`` can now handle ``NaT`` values (:issue:`13224`)

.. _whatsnew_0210.api_breaking.deps:

Dependencies have increased minimum versions
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