def add(word,categories)
      categories.each do |category|
        @cwords[category] = [] if @cwords[category].nil?
        @cwords[category].push word
        @scores[category] += 1
      end
      @words.push word
      @word_count += 1
    end
def add(word,categories)
      categories.each do |category|
        @cwords[category] = [] if @cwords[category].nil?
        @cwords[category].push word
        @scores[category] += 1
      end
      @words.push word
      @word_count += 1
    end
def add ( word , categories ) categories . each do | category | @cwords [ category ] = [ ] if @cwords [ category ] . nil? @cwords [ category ] . push word @scores [ category ] += 1 end @words . push word @word_count += 1 end
Adds word and its category to stats.
Adds word and its category to stats .