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# 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