how to optimize neural network thyroid example using genetic algorithm?

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koorosh - 2021-07-30T12:36:12+00:00
Question: how to optimize neural network thyroid example using genetic algorithm?

i'm trying to to optimizing thyroeid example by pattern recognition . i wana modify hidden layer size , and i want it from ga function , in default way is : hiddenLayerSize = [4 5 ] ; net = patternnet(hiddenLayerSize); now i want hiddenLayerSize get from ga func , that gaves me minimum and optimal number of neuron .  

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  • how to optimize neural network thyroid example using genetic algorithm?

    • Expert Answer

    Profile picture of Prashant Kumar Prashant Kumar answered . 2025-11-20

    Are you sure you want the complexity of 2 hidden layers?
     
    One is sufficient.
     
    How many input/target pairs? N =
     
    Input vector dimensionality? I =
     
    Number of classes ? c =
     
    Are target columns also columns of eye(c)?
     
    Default datadivision? Ntrn/Nval/Ntst = (0.7/0.15/0.15)*N
     
    Are the No. of training equations Ntrneq = Ntrn*c
     
    greater than number of unknown weights?
     
     Nw = (I+1)*H+(H+1)*c      % One hidden layer

 Nw = (I+1)*H1+(H1+1)*H2+(H2+1)*c % Two hidden layers?

    Search both the NEWSGROUP and ANSWERS using

     PATTERNNET GENETIC

    And

     PATTERNNET GA

     


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