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PERF: Cythonize Groupby Rank#19481

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jreback merged 35 commits intopandas-dev:masterpandas-dev/pandas:masterfrom

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Feb 10, 2018

Commits

Commits on Feb 9, 2018

• Initial working rank with no tiebreaker

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  396f1b6

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• Allowed kwargs to pass through to Cython func

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• Comprehensive tests for all groupby rank args

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• Working avg tiebreak with nan handling

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  c7faa3b

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• Added remaining tiebreakers; fixed int/float dtype mixup

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• Added func for obj support

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• Added pct support

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• Added support for sorting

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• Working tests (excl missing data)

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• Added Timestamps to tests

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  902ef3c

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• Working rank with numeric and missing

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  ecd4b51

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• Added missing obj support

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• Added support for timestamps mixed with nan

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• Added tests for multiple groups

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• Fixed bug with First tiebreak across multiple groups

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  04eb4f1

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• Variable Name Cleanup

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  7a4602d

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• Converted kwargs to positional arguments in Cython layer

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• Lint fixes

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• Created enum for rank tiebreakers

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• Fixed build errors; Py <3.5 support

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• LINT fixes

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  d4a6662

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• Fixed isnan reference issue on Windows

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  56e7974

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• Updated whatsnew

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  9d7c3e6

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• Added GroupBy object raises tests

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• Raise ValueError in group_rank_object

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• Used anonymous func for rank wrapper

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  caacef2

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• Removed group_rank_object

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  a315a92

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• Added comments to groupby_helper

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  a6ca485

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• Added tests for rank bugs

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  fd29d70

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• Fixed issue with ranks not resetting across groups

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  b9e4719

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• Changed types; fixed tiebreaker float casting issue

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• Documentation cleanup

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• Removed unused import from groupby.pyx

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• Removed npy_isnan import

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• Added grp_sizes array, broke out pct calc

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