【中文字幕】吴恩达教授新课-AI医学图像(AI for Medicine)6小时

第二周第一课:


+ - 是模型预测的分类
sensitivity = P(+ | disease)
specificity = P(- | normal)
prevalence 患病率

PPV = P(disease | +)

NPV = P(normal | -)

混淆矩阵 Confusion matrix

ROC curve and Threshold
可变阈值 Varying the threshold