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Commits on Oct 3, 2011

• RLS: Version 0.4.2

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• TST: raise SkipTest for overflow in pre-epoch dates for now

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• REF: changed index types to Py_ssize_t

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• BUG: fixed incorrect check for integer dtype on 32-bit platforms

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• TST: finish up pandas.core test coverage, test Series.align

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• BUG: join_managers bug using wrong indexer

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Commits on Oct 2, 2011

• TST: finish index.py test coverage

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• TST: test coverage for index.py, minor refactoring

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• BUG: fix left_join_indexer bug

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• TST: test coverage for take functions and added out keyword to take_1d

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• TST: groupby test coverage

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• TST: test DataFrame.take for mixed-dtype

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• ENH: implement shallow copy on BlockManager, address GH #125

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• ENH: add get_level_values method and tests, address GH #188

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Commits on Oct 1, 2011

• ENH: fast DateRange.intersection in some cases and sped up DateRange.union in some cases. address GH #178

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• BUG: implement remaining as_index=False handling in DataFrameGroupBy.aggregate. address GH #181

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• BUG: isnull works with float32, address GH #182

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• ENH: groupby speed enhancement due to less aggressive integrity checking in BlockManager. Implemented fast GroupBy.size function

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• RLS: update release notes

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• ENH: notnull/isnull perf enhancement regression from 0.3.0. address GH #187

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Commits on Sep 30, 2011

• ENH: Series.sort_index perf enhancement

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• ENH: Series.align method to leverage faster joins, faster binary ops

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• ENH: Int64Index.union optimization in the monotonic case

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• BUG: address GH #185, prevent use of step in label-based slicing

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• ENH: groupby speed optimization for Int64Index

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Commits on Sep 29, 2011

• DOC: note about requiring Cython for dev build, address GH #186

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• ENH: implemented BlockManager.take for axis >=1 and seriously sped up DataFrame.take

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• ENH: major Cython code cleanup, left_join_indexer bugfix and speed opt, inner_join_indexer speed opt

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• BUG: groupby cython bug in _aggregate_group, unit test and raise up exceptions

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• BUG: group_index being computed incorrectly in unstacker, only presents itself if nlevels > 3

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Commits on Sep 28, 2011

• ENH: speed optimization / tweaks in merging

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• ENH: bug fixes and fixed up benchmark script

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• ENH: shizam! int64 axes with super fast join performance

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• ENH: join refactoring to enable subclasses (e.g. Int64) to implement faster join operations

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• STY: got rid of superfluous autogen docs

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