Method: CrossValidation::ConfusionMatrix#precision

Defined in:: lib/cross_validation/confusion_matrix.rb

#precision ⇒ `Float`

Computes the precision of the classifier, defined as tp/(tp + fp)

Returns:

(Float)



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# File 'lib/cross_validation/confusion_matrix.rb', line 58

def precision
  @values.fetch(:tp) / Float(@values.fetch(:tp) + @values.fetch(:fp))
end