試題詳解

1. A screw factory would like to identify flawed screws by using a machine learning (ML) algorithm. Suppose there are total P flawed screws among all the produced screws, but only n out of all the flawed screws are reported by the ML algorithm. Which one of the following measurements is used to describe the ratio of identified flawed screws (n/P)?
(A) F1-score
(B) False positives
(C) Precision
(D) Recall
(E) True positives