def token_probability(token, language)
      if @tokens[language][token].to_f == 0.0
        1 / @tokens_total.to_f
      else
        @tokens[language][token].to_f / @language_tokens[language].to_f
      end
    end
def token_probability(token, language)
      if @tokens[language][token].to_f == 0.0
        1 / @tokens_total.to_f
      else
        @tokens[language][token].to_f / @language_tokens[language].to_f
      end
    end
Internal: Probably of token in language occurring - P(F | C)

 token    - String token.
 language - Language to check.

 Returns Float between 0.0 and 1.0.