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Commits on Feb 16, 2015

• Merge pull request pandas-dev#9308 from Garrett-R/fix_GH9144

  Show description for 0c95fef
  jreback

  committed
  0c95fef

• Merge pull request pandas-dev#9445 from behzadnouri/i8sort

  Show description for b714262
  jreback

  committed
  b714262

• BUG: Fix pandas-dev#9144 pandas-dev#8445 Fix how core.common._fill_zeros handles div and mod by zero

  Garrett-R

  committed
  85342ee

Commits on Feb 8, 2015

• BUG: Fix not to reindex on non-Categorical groups (GH9049, GH9344)

  

  Junya Hayashi

  committed
  b53ef23

• performance improvement in MultiIndex.sortlevel

  behzadnouri

  committed
  6630832

Commits on Feb 6, 2015

• performance improvements in multi-key groupby

  behzadnouri

  committed
  0a956bb

Commits on Jan 31, 2015

• bug in groupby when key space exceeds int64 bounds

  behzadnouri

  committed
  c7f363b

Commits on Jan 22, 2015

• FIX: Fixed typo, which causes checksum duplication issue.

  

  Junya Hayashi

  committed
  938d8e7

• FIX: Fixed some issues around vb_suite

  Show description for 07abed5
  

  Junya Hayashi

  committed
  07abed5

Commits on Dec 29, 2014

• PERF: Utilize mixed dtypes in df.count() with MultiIndexes

  

  qwhelan

  authored and

  jreback

  committed
  9d4f423

Commits on Dec 28, 2014

• improves merge performance when key space exceeds i8 bounds

  behzadnouri

  committed
  7ff782b

Commits on Dec 24, 2014

• Merge pull request pandas-dev#9136 from qwhelan/master

  Show description for 92d7cf7
  jreback

  committed
  92d7cf7

• PERF: json support for blocks GH9037

  Komnomnomnom

  committed
  a67bef4

• PERF: Utilize mixed dtype information in df.count()

  qwhelan

  committed
  49e27cc

Commits on Dec 23, 2014

• use labels to find duplicates in multi-index (GH9125)

  

  behzadnouri

  authored and

  jreback

  committed
  8f4a321

Commits on Dec 22, 2014

• PERF: fix slow s.loc[[0]]

  Show description for 3979dc7
  shoyer

  committed
  3979dc7

Commits on Dec 5, 2014

• BUG: fix GH8989 to parse nanoseconds with %f format

  jreback

  committed
  d6e4337

• PERF: add exact kw to to_datetime to enable faster regex format parsing for datetimes (GH8904)

  jreback

  committed
  ea2489d

Commits on Nov 26, 2014

• BUG CSV: fix problem with trailing whitespace in skipped rows, issues 8661, 8679

  Show description for 6bf83c5
  

  Scott E Lasley

  authored and

  Scott Lasley

  committed
  6bf83c5

Commits on Oct 18, 2014

• TST/PERF: optimize tm.makeStringIndex

  Show description for cf599d9
  immerrr

  committed
  cf599d9

Commits on Oct 15, 2014

• Merge pull request pandas-dev#8549 from mtkni/master

  Show description for 5cd1bed
  jreback

  committed
  5cd1bed

• PERF: fixup datetime_index repr perf (GH8556)

  jreback

  committed
  857042f

Commits on Oct 13, 2014

• PERF: Slowness in multi-level indexes with datetime levels

  Show description for acb9b33
  

  Mike Kelly

  committed
  acb9b33

Commits on Oct 12, 2014

• PERF: Performance improvement for MultiIndexes with a DatetimeIndex level

  

  Mike Kelly

  committed
  2c4dc5c

Commits on Oct 4, 2014

• PERF: Improve performance of CustomBusinessDay

  bjonen

  committed
  68f6268

Commits on Sep 30, 2014

• Merge branch 'vbench_for_groupby' of https://github.com/dlovell/pandas into dlovell-vbench_for_groupby

  jreback

  committed
  c213523

• make running multiple values of ngroups easy

  dlovell

  committed
  c494c03

Commits on Sep 28, 2014

• BENCH: programmatically create benchmarks for large ngroups (GH6787)

  dlovell

  committed
  3d5db57

Commits on Sep 19, 2014

• Squashed commit of the following:

  Show description for d6e2c75
  mdmueller

  committed
  d6e2c75

Commits on Sep 9, 2014

• CLN: fix whitespace issue in vb_suite/io_sql.py

  jorisvandenbossche

  committed
  d282067

• Merge pull request pandas-dev#8102 from jorisvandenbossche/sql-bench

  Show description for 007bb3f
  jorisvandenbossche

  committed
  007bb3f

• BENCH: add benchmarks for SQL

  jorisvandenbossche

  committed
  d1671ed

Commits on Sep 6, 2014

• counting sort instead of np.argsort in left outer join

  behzadnouri

  committed
  f4768cc

Commits on Sep 3, 2014

• BUG: map builtins min/max to numpy/cython versions

  

  behzadnouri

  authored and

  jreback

  committed
  6516c53

Commits on Aug 29, 2014

• PERF: speed up multi-key groupby

  behzadnouri

  committed
  c5a3514

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