How to replace the default MSE performance function in train function of deep learning with other performance function I can design?

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Long Bao
Long Bao 2017-2-24
评论： Long Bao 2017-2-28
Hi,
When I use the "train" function for a deep learning net training, the default performance function is MSE. Can I replace it with other performance functions I can manually design?
Long

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回答（1 个）

Faiz Gouri
Faiz Gouri 2017-2-28
"net.performFcn" property of Neural Network Object defines the function used to measure the network's performance. The performance function is used to calculate network performance during training whenever train is called.
[net,tr] = train(NET,P,T,Pi,Ai) For a list of functions, type help nnperformance.
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Long Bao
Long Bao 2017-2-28
Hi, Faiz,
Thank you so much! However，there are still only limited options for performance functions. And, I still do not know how to design my own new one. Can you show an example? Thanks a lot.

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