MATLAB: How to choose the number of neurons in the hidden layer of neural network

Deep Learning ToolboxMATLABneural network

Hi, i'm using the neural network for classification using nnstart and i have dataset (input) with a size of 9*981 and i want to know how to choose the number of neurons in the hidden layer for it ?

Best Answer

Use trial and error with the training subset goal
 MSEtrngoal = 0.01*var(trntarget,1)        % 1-D target
 or
 MSEtrngoal = 0.01*mean(var(trntarget',1)) % Otherwise
Start with the MATLAB default H = 10 and design ~10 nets for each setting of H. Each of the 10 is initialized with a different setting of random initial weights.
Hope this helps
Thank you for formally accepting my answer
Greg
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