[Keras实用技巧]·错误Sequential has no attribution “validation_data”解决

[Keras使用技巧]·错误Sequential has no attribution “validation_data”解决

错误描述： Sequential has no attribution “validation_data”

解决方法：

here is the solution:

1. use self.validation_data in your custom callback class
2. provide validation_data = (x,y) in your fit method.

if point 2 is not done, self.validation_data will be empty.

hope this helps

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