Evaluation Criteria——评价标准
PRE=TP/(TP+FP) precision
REC=TP/(TP+FN) recall
ACU=(TP+TN)/(TP+FP+TN+FN) accuracy
F=(2*PRE*REC)/(PRE+REC) F-score
True positive: Positives correctly identified as positives 实际为阳性样本中被正确判断为阳性的比例
False positive: Negatives incorrectly identified as positives 实际为阴性样本中被错误判断为阳性的比例
True negative: Negatives correctly identified as negatives 实际为阴性样本中被正确判断为阴性的比例
False negative: Positives incorrectly identified as negatives 实际为阳性样本中被错误判断为阴性的比例
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