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chintanparikh/jaccard.rb

Created December 27, 2013 22:05
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jaccard.rb
def jaccard_index(n, article_one, article_two)
first = article_one.split(' ').each_cons(n).to_a
second = article_two.split(' ').each_cons(n).to_a
(first & second).length.to_f / ((first.length + second.length).to_f / 2).abs.to_f
end
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