ValueError: Only one class present in y_true. ROC AUC score is not defined in that case.

[z744364418p]

ValueError: Only one class present in y_true. ROC AUC score is not defined in that case.

[arnoweng]

What do you exactly mean? @z744364418p

[z744364418p]

这个是不是我测试数据只有一个类别？能把你测试数据给我一部分吗？

[z744364418p]

我这翻墙才能下载数据，但VPN又不给力。所以一直没下载到数据。

[arnoweng]

So sorry, the data set is too large and is hard to transfer, please try other methods.

[selous123]

[Download ChestX14-ray dataset]

Bit download link The recommended Bit Downloader: Bitcomet

Thunder is not recommended

[wuyang556]

how to solve this problem

[markvvw]

https://blog.csdn.net/m0_37634290/article/details/108822914