Number of Neurons in a model

Question

Arijit 2011-12-16

1
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https://ww2.mathworks.cn/matlabcentral/answers/24119-number-of-neurons-in-a-model

Hi everyone,

I have another confusion

Is there any thumb rule or relation between number of neurons in hidden layer and input variables? suppose, I have a data set with 10 input variables. By hit and trial method, how many neurons maximum can I try? I understand that as number of neurons increase, correlation and mse also improves. But at same time, network gets overtrained. How can I be sure that I am not overtraining the network?

Thanks

Arijit

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Answer 1

Ahmad Taher 2012-1-19

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https://ww2.mathworks.cn/matlabcentral/answers/24119-number-of-neurons-in-a-model#answer_34576

Dear Colleague

Hope the following link may help you: http://www.faqs.org/faqs/ai-faq/neural-nets/part3/section-10.html

If you have 10 input variables, I suggest to start with 10 neurons and try different numbers to 20 neurons and then select the best numbers with least MSE.