找考题网-背景图
单项选择题

标准的F-指标(F-Measure)应如何计算()……

标准的F-指标(F-Measure)应如何计算()

A.(Precision+Recall)/(Precision x Recall)
B.(2x Precision+Recall)/(Precision x Recall)
C.(2x Precision+Recall)/(Precision +Recall)
D.(Precision+Recall)/(2x Precision x Recall)