Package nltk :: Module collocations :: Class BigramCollocationFinder

type BigramCollocationFinder

               object --+    
                        |    
AbstractCollocationFinder --+
                            |
                           BigramCollocationFinder

A tool for the finding and ranking of bigram collocations or other association measures. It is often useful to use from_words() rather than constructing an instance directly.

Instance Methods

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score_ngram(self, score_fn, w1, w2)
Returns the score for a given bigram using the given scoring function.

source code

Inherited from AbstractCollocationFinder: __init__, above_score, apply_freq_filter, apply_ngram_filter, apply_word_filter, nbest, score_ngrams

Inherited from AbstractCollocationFinder (private): _apply_filter, _score_ngrams

Class Methods

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from_words(cls, words, window_size=2)
Construct a BigramCollocationFinder for all bigrams in the given sequence.

source code

Inherited from AbstractCollocationFinder: from_documents

Static Methods

[hide private]

Inherited from AbstractCollocationFinder (private): _ngram_freqdist

Method Details

[hide private]

from_words(cls, words, window_size=2)
Class Method

source code

Construct a BigramCollocationFinder for all bigrams in the given sequence. By default, bigrams must be contiguous.

type BigramCollocationFinder

from_words(cls, words, window_size=2) Class Method

from_words(cls, words, window_size=2)
Class Method