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 +

v.0.7.3 (April 12, 2012) v.0.7.1 (February 29, 2012)