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Pull requests list

PERF: fix perf issue in tz conversions w/o affecting DST transitions Performance Memory or execution speed performance
#7652 by jreback was merged Jul 2, 2014 Loading… updated Jul 2, 2014 0.14.1
1
ENH: Have inferred_freq set offset. Have freq always try to infer. Frequency DateOffsets Performance Memory or execution speed performance
#6637 by jseabold was closed Mar 14, 2014 Loading… updated Jul 4, 2014
5
PERF: perf improvements in DataFrame construction with a non-daily datelike index (GH6479) Frequency DateOffsets Performance Memory or execution speed performance
#6481 by jreback was merged Feb 27, 2014 Loading… updated Jul 5, 2014 0.14.0
1
7
PERF: better perf on min/max on indices not containing NaT for DatetimeIndex/PeriodsIndex Performance Memory or execution speed performance
#7684 by jreback was merged Jul 7, 2014 Loading… updated Jul 7, 2014 0.14.1
1
PERF: improve resample perf Performance Memory or execution speed performance
#7673 by sinhrks was merged Jul 7, 2014 Loading… updated Jul 9, 2014 0.14.1
6
BUG: DatetimeIndex.__iter__ creates a temp array of Timestamp (GH7683) Performance Memory or execution speed performance
#7702 by yrlihuan was closed Jul 9, 2014 Loading… updated Jul 9, 2014 0.15.0
1
5
BUG: DatetimeIndex.__iter__ creates a temp array of Timestamp (GH7683) Datetime Datetime data dtype Performance Memory or execution speed performance
#7709 by yrlihuan was closed Jul 10, 2014 Loading… updated Jul 10, 2014 0.15.0
1
20
PERF/API: concat improvements API Design Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#6438 by jreback was merged Feb 21, 2014 Loading… updated Jul 13, 2014 0.14.0
2
PERF: improve perf of index iteration (GH7683) Datetime Datetime data dtype Performance Memory or execution speed performance
#7720 by jreback was merged Jul 16, 2014 Loading… updated Jul 16, 2014 0.15.0
1
7
PERF: micro optimizations Performance Memory or execution speed performance
#6269 by jreback was merged Feb 6, 2014 Loading… updated Jul 16, 2014 0.14.0
1
1
FIX: Bug whereby array_equivalent was not correctly comparing Float64Ind... Dtype Conversions Unexpected or buggy dtype conversions Performance Memory or execution speed performance
#6597 by unutbu was merged Mar 11, 2014 Loading… updated Jul 16, 2014 0.14.0
1
BUG/PERF: offsets.apply doesnt preserve nanosecond Bug Frequency DateOffsets Performance Memory or execution speed performance
#7697 by sinhrks was merged Jul 25, 2014 Loading… updated Jul 25, 2014 0.15.0
27
PERF: groupby / frame apply optimization Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version
#7881 by jreback was merged Jul 30, 2014 Loading… updated Jul 30, 2014 0.15.0
1
BUG: tslib.tz_convert and tslib.tz_convert_single may output different result in DST Performance Memory or execution speed performance Timezones Timezone data dtype
#7798 by sinhrks was merged Aug 3, 2014 Loading… updated Aug 4, 2014 0.15.0
1
14
PERF: perf improvements for Series.transform (revised) (GH6496) Groupby Performance Memory or execution speed performance
#7975 by jreback was merged Aug 10, 2014 Loading… updated Aug 10, 2014 0.15.0
PERF: Quick Shift Implementation (GH5609) Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#6672 by gouthambs was merged Mar 20, 2014 Loading… updated Aug 10, 2014 0.14.0
1
11
PERF: StataWriter is slow IO Stata read_stata, to_stata Performance Memory or execution speed performance
#8079 by bashtage was merged Aug 21, 2014 Loading… updated Aug 22, 2014 0.15.0
17
PERF: StataReader is slow IO Stata read_stata, to_stata Performance Memory or execution speed performance
#8073 by bashtage was merged Aug 20, 2014 Loading… updated Aug 22, 2014 0.15.0
6
PERF: StataReader is slow due to excessive lookups for missing vales IO Stata read_stata, to_stata Performance Memory or execution speed performance
#8045 by bashtage was merged Aug 18, 2014 Loading… updated Aug 22, 2014 0.15.0
1
19
PERF: speed up multi-key groupby Groupby Performance Memory or execution speed performance
#8128 by behzadnouri was merged Aug 29, 2014 Loading… updated Aug 30, 2014 0.15.0
8
BUG: map builtins min/max to numpy/cython versions Groupby Performance Memory or execution speed performance
#8155 by behzadnouri was closed Sep 3, 2014 Loading… updated Sep 3, 2014 0.15.0
1
5
BUG: use stable sort for group_index in groupby Performance Memory or execution speed performance
#8148 by behzadnouri was merged Sep 4, 2014 Loading… updated Sep 6, 2014 0.15.0
6
counting sort instead of np.argsort in left outer join Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#8172 by behzadnouri was merged Sep 6, 2014 Loading… updated Sep 6, 2014 0.15.0
5
PERF: Switch to try/except in extract() rather than instance check Performance Memory or execution speed performance Strings String extension data type and string data
#8202 by jtratner was closed Sep 7, 2014 Loading… updated Sep 7, 2014 0.16.0
8
PERF: add copy=True argument to pd.concat to enable pass-thru concats with complete blocks (GH8252) Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#8331 by jreback was merged Sep 20, 2014 Loading… updated Sep 20, 2014 0.15.0
1
ProTip! Updated in the last three days: updated:>2025-11-28.