Version 0.7.2 (March 16, 2012)#

This release targets bugs in 0.7.1, and adds a few minor features.

New features#

  • Add additional tie-breaking methods in DataFrame.rank (GH 874)

  • Add ascending parameter to rank in Series, DataFrame (GH 875)

  • Add coerce_float option to DataFrame.from_records (GH 893)

  • Add sort_columns parameter to allow unsorted plots (GH 918)

  • Enable column access via attributes on GroupBy (GH 882)

  • Can pass dict of values to DataFrame.fillna (GH 661)

  • Can select multiple hierarchical groups by passing list of values in .ix (GH 134)

  • Add axis option to DataFrame.fillna (GH 174)

  • Add level keyword to drop for dropping values from a level (GH 159)

Performance improvements#

  • Use khash for Series.value_counts, add raw function to algorithms.py (GH 861)

  • Intercept __builtin__.sum in groupby (GH 885)

Contributors#

For contributors, please see /usr/share/doc/contributors_list.txt or https://github.com/pandas-dev/pandas/graphs/contributors