nltk/nltk — pull request #611 by jnothman (2014-02-17 23:50:04+00:00)
Title: Fix broken contingency cube calculation in TrigramAssocMeasures (#610)

A single character fix. This error has been in there for a while, breaking trigram chi_sq, jaccard and likelihood_ratio.

More rigorous testing of this module would be a good idea...