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AUC is not defined when there is no positive class in the data (Parameter 'PosSample')

AUC is not defined when there is no positive class in the data (Parameter 'PosSample')

使用ML.NET训练模型后，使用测试数据评估模型，验证模型的性能。执行Evaluate方法时报错：AUC is not defined when there is no positive class in the data (Parameter 'PosSample')。

2023-03-21 1067 0 AUC is not defined PosSample no positive class

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