有关机器学习分类算法的Precision和Recall,以下定义中正确的是(假定tp = true positive, tn = true negative, fp = false positive, fn = false negative)A.Precision= tp / (tp + fp), Recall = tp / (tp + fn)B.Precision = tp / (tn + fp), Recall = tp /(tp + fn)C.P
有关机器学习分类算法的Precision和Recall,以下定义中正确的是(假定tp = true positive, tn = true negative, fp = false positive, fn = false negative)() A、 Precision= tp / (tp + fp), Recall = tp / (tp + fn) B、 Precision = tp / (tn + fp), Recall = tp /(tp + fn) C、 Pr...