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 AUC is not defined PosSample no positive class 412 0

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