Patsy is a Python library for describing statistical models (especially linear models, or models that have a linear component) and building design matrices. Patsy brings the convenience of R <http://www.r-project.org/>_ "formulas" to Python.

.. image:: https://travis-ci.org/pydata/patsy.png?branch=master :target: https://travis-ci.org/pydata/patsy .. image:: https://coveralls.io/repos/pydata/patsy/badge.png?branch=master :target: https://coveralls.io/r/pydata/patsy?branch=master

Documentation: https://patsy.readthedocs.io/

Downloads: http://pypi.python.org/pypi/patsy/

Dependencies: * Python (2.6, 2.7, or 3.3+) * six * numpy

Optional dependencies: * nose: needed to run tests * scipy: needed for spline-related functions like bs

Install: pip install patsy (or, for traditionalists: python setup.py install)

Code and bug tracker: https://github.com/pydata/patsy

Mailing list: * [email protected] * http://groups.google.com/group/pydata * http://news.gmane.org/gmane.comp.python.pydata

License: 2-clause BSD, see LICENSE.txt for details.