深度学习中评价指标:准确率、**率、召回率、 F-1 Score、ROC、AUC、MAE

2018-12-02 MedSci MedSci原创

1.1. 基本概念上表即为混淆矩阵,其中,行表示预测的label值,列表示真实label值。TP,FP,FN,TN分别表示如下意思:TP —— True Positive (真正, TP)被模型预测为正的正样本;可以称作判断为真的正确率 TN —— True Negative(真负 , TN)被模型预测为负的负样本 ;可以称作判断为假的正确率 FP ——False Posi

1.1. 基本概念 上表即为混淆矩阵,其中,行表示预测的label值,列表示真实label值。TP,FP,FN,TN分别表示如下意思: TP —— True Positive (真正, TP)被模型预测为正的正样本;可以称作判断为真的正确率  TN —— True Negative(真负 , TN)被模型预测为负的负样本 ;可以称作判断为假的正确率  FP ——False Positive (假正, FP)被模型预测为正的负样本;可以称作误报率  FN—— False Negative(假负 , FN)被模型预测为负的正样本;可以称作漏报率 True Positive Rate(真正率 , TPR)或灵敏度(sensitivity)     TPR = TP /(TP + FN)    正样本预测结果数 / 正样本实际数  True Negative Rate(真负率 , TNR)或特指度(specificity)     TNR = TN /(TN + FP)    负样本预测结果数 / 负样本实际数&n

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    2019-05-14 aliceclz
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    2019-07-15 linlin2312
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    2018-12-04 huagfeg
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    2018-12-04 docwu2019

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