ERROR: A regression layer must not be preceded by a softmax layer.
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hello, I want to ask why a regression layer must not be preceded by a softmax layer? If I want to add a softmaxlayer before regressionlayer, what should I do?
回答（1 个）
Greg Heath
2018-4-13
0 个投票
Softmax is designed to be a classifier output component that yields a classification probability output with components in [0 1 ] and column sums of 1.
Combining the output of multiple classifiers is the only configuration I can think of where the softmax layer may not be the output layer.
Hope this helps.
Thank you for formally accepting my answer
Greg
1 个评论
Rotem Mairon
2019-10-7
This is true, I think. However, if you try to run a network with the last layer being softmax, in Matlab you would get the following error message: "Missing output layer. The network must have one output layer." So how can one use softmax as output?
Thanks for your time.
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