need help with neural network

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amro mahran 2012-1-23

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i'm working on a M file (script) to run neural network training for several time (10 times each) and i want to save the neural network results concerning MSE and Regression R coefficient for the Training and Validation and test data i want to know how to write a code to save the neural results??

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amro mahran 2012-1-24

I want to know the code of the function that calculate the MSE and Rcoefficient

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Answer 1

Léon 2012-1-24

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在 MATLAB Online 中打开

The solution to your problem should be a simple loop. Meaning that you put your relevant ANN code in that loop and save the output each time. Like the following

 MSE_all = zeros(10,1); % preallocate space to the vector for all MSE values
 R_all = zeros(10,1); % see above
for i = 10
     % here goes your ANN training code
     MSE_all(i) = MSE; % MSE means here the needed output by the ANN that should 
     % be stored
     R_all(i) = R; % see above
end

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amro mahran 2012-1-24

Thanks for your help

but please i want to know the MSE function and the R function that is used

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Answer 2

Greg Heath 2012-1-25

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Many examples of code that computes and saves Ntrials values of MSE and R^2 (coefficient of determination) can be obtained by searching the Newsgroup with the search words

heath Ntrials

Hope this helps

Greg