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Topic: Unexpected neural network output
Replies: 5   Last Post: May 2, 2013 10:39 PM

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Greg Heath

Posts: 5,922
Registered: 12/7/04
Re: Unexpected neural network output
Posted: May 1, 2013 5:51 AM
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"Ton Schomaker" <t.schomaker@royalhaskoning.com> wrote in message <klqncu$s1o$1@newscl01ah.mathworks.com>...
> I have trained a very good ff neural network with the restiction that any increase of each input parameters A, B, C... must give higher output values (R2 = 0.94). However when I use the best trained NN using better (i.e. increased) input data the output sometimes is lower than the original target value.
> Does someone have a solution for this problem?


Good solutions have a mean error of 0. Therefore, ~50% of the answers should be above the target value.

Hope this helps.

Greg



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