Method: String#type_token_ratio

Defined in:
lib/textstats.rb

#type_token_ratio(downcase = false) ⇒ Object 



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# File 'lib/textstats.rb', line 27

def type_token_ratio(downcase=false)
  if downcase
    w = words.map{|w|w.downcase}
  else
    w = words
  end
  Float(w.uniq.size)/w.size
end