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chi2-score

5 ngram-statistics - Statistical functions for n-gram models

Damir Ćavar

Copyright 2005, 2006, 2007, 2008, 2009, 2010 by Damir Ćavar, Petar Garžina, Larisa Grčić, Tanja Gulan, Damir Kero, Robert Paleka, Franjo Pehar, Pavle Valerjev

The nltk/ngram-statistics module provides procedures for statistical analyses on the basis of n-gram models.
An explanation of n-grams and various statistical analyses used in Computational Linguistics and Natural Language Processing can be found in the following resources:
!!! TODO !!!

(chi2-score ngrams unigrams gram)  hashtable?
  ngrams : hashtable?
  unigrams : hashtable?
  gram : (or/c list? vector? string?)
Returns the chi2 score for a gram, using the n-gram models provided by the parameters ngrams and unigrams.