# 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

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