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NGram

A simple NGram generator - en.wikipedia.org/wiki/N-gram.

Install

gem sources -a http://gemcutter.org
sudo gem install n_gram

How To Use

A single N-Gram

require 'rubygems'
require 'n_gram'

data = ['here is some text', 'here is more text']

n_gram = NGram.new(data, :n => 2)

# To see the N-Gram of the collection
ngram.ngrams_of_all_data
  #=> {2 => {'here is' => 2 etc...}}

# To see the N-Grams of individual inputs
# If we want the N-Gram of data[0]
ngram.ngrams_of_inputs[0]
  #=> {2 => {'here is' => 1 etc...}}

Multiple N-Grams

require 'rubygems'
require 'n_gram'

data = ['here is some text', 'here is more text']

n_gram = NGram.new(data, :n => [2,3])

# To see the N-Gram of the collection
ngram.ngrams_of_all_data
  #=> {2 => {'here is' => 2 etc...}, 3 => {'here is some' => 1 etc...}}

# To see the N-Grams of individual inputs
# If we want the N-Gram of data[0]
ngram.ngrams_of_inputs[0]
  #=> {2 => {'here is' => 1 etc...}, 3 => {'here is some' => 1 etc...}}

Copyright © 2009 Red Davis. See LICENSE for details.

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N-Gram generator in Ruby - http://en.wikipedia.org/wiki/N-gram

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