Keras 中的损失函数和度量有什么区别? [英] What is the difference between loss function and metric in Keras?
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问题描述
我不清楚 Keras 中损失函数和指标之间的区别.文档对我没有帮助.
It is not clear for me the difference between loss function and metrics in Keras. The documentation was not helpful for me.
推荐答案
损失函数用于优化您的模型.这是优化器会最小化的函数.
The loss function is used to optimize your model. This is the function that will get minimized by the optimizer.
一个指标用于判断模型的性能.这个仅供你看，与优化过程无关.
A metric is used to judge the performance of your model. This is only for you to look at and has nothing to do with the optimization process.
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