v.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 (GH874)
• Add ascending parameter to rank in Series, DataFrame (GH875)
• Add coerce_float option to DataFrame.from_records (GH893)
• Add sort_columns parameter to allow unsorted plots (GH918)
• Enable column access via attributes on GroupBy (GH882)
• Can pass dict of values to DataFrame.fillna (GH661)
• Can select multiple hierarchical groups by passing list of values in .ix (GH134)
• Add axis option to DataFrame.fillna (GH174)
• Add level keyword to drop for dropping values from a level (GH159)

Performance improvements

• Use khash for Series.value_counts, add raw function to algorithms.py (GH861)
• Intercept __builtin__.sum in groupby (GH885)

Contributors

A total of 12 people contributed patches to this release. People with a “+” by their names contributed a patch for the first time.

• Adam Klein
• Benjamin Gross +
• Dan Birken +
• Dieter Vandenbussche
• Josh +
• Thomas Kluyver
• Travis N. Vaught +
• Wes McKinney
• Wouter Overmeire
• claudiobertoldi +
• elpres +
• joshuaar +