pydata/pydata-book — pull request #10 by lexual (2013-11-04 23:16:37+00:00)
Title: ipython notebook for chapter 2, movielens example.

http://nbviewer.ipython.org/urls/raw.github.com/lexual/pydata-book/fa5e57bca91b17129d12b7a03a76c23c43bed204/ch02_movielens.ipynb