Before revision: It is a special case of the general measure (for non-negative real values of ): Two other commonly used measures are the measure, which weights recall higher than precision, and the measure, which puts more emphasis on precision than recall.
After revision: It is a special case of the general measure (for non-negative real values of ): Two other commonly used measures are the measure, which weighs recall higher than precision, and the measure, which puts more emphasis on precision than recall.