Method: Inferx#score

Defined in:
lib/inferx.rb

#score(category, words) ⇒ Float

Get a score of a category according to a set of words.

Parameters:

  • a category for scoring

  • a set of words

Returns:

  • a score of the category



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# File 'lib/inferx.rb', line 26

def score(category, words)
  size = category.size.to_f
  return -Float::INFINITY unless size > 0
  scores = category.scores(words)
  scores.inject(0.0) { |s, score| s + Math.log((score || 0.1) / size) }
end