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How to set patternnet to get the posterior probabilty sum to unity?
help nndataset % Choose classification/pattern-recognition data with 2 classes close all, clear all, clc for k=1:4 if ...

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Neural Network Input Scaling
The best way to optimize training is to 1. Make sure outliers are removed or modified (I standardize using zscore for this, ...

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Matlab Neural Network Sim function configuration
If size(L1) = [ 129 153 ] and similarly for L2, L3 and L4: input = [ L1(:)' ; L2(:)' ; L3(:)' ; L4(:)' ]; output = net(i...

fast 12 Jahre vor | 2

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Matlab Neural Network Sim function configuration
You have to convert the A3D(129x153x4) into A2D(4x(129*153)) Currently, I do not know how to do this. I tried using the func...

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Forecasting using neural networks
You should have mentioned timeseries and/or narxnet in your question. Try searching the NEWSGROUP and ANSWERS using greg nar...

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Neural Net - Baseline classification above chance?
Changing Notation: If there are c classes with size Ni (i=1:c), N = sum(i=1,c){Ni}, then the a priori probabilities are Pi = Ni/...

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Neural network weight and bias initializaiton problem
net = patternnet(10); net.inputs{1}.processFcns = {}; net.outputs{2}.processFcns = {}; net ...

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Neural Network neuron values
close all, clear all, clc [x,t] = crab_dataset; [ I N ] = size(x) % [ 6 200 ] [O N] = size(t) % [ 2 200 ] xt ...

fast 12 Jahre vor | 0

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Scaled Conjugate Gradient - NN toolbox
Your description is incorrect and confusing. [I N ] = size(input) % = ? [ O N ] = size(target) % = ? Ntrn = ? ...

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Creating neural network using the toolbox
You have to go to the documentation section on custom networks.

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Understanding of the function 'dist'
To try to understand any function, first use the commands help, doc and type help dist doc dist type dist Then ex...

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Noisy results from Neural Network
Try preprocessing with a lowpass filter. The cheapest one I can think of is x(i) = mean([x0(i-1),x0(i),x0(i+1)]) % 3-poi...

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Crossvalidation of liinear models?
help crossval, doc crossval help cvpartition, doc cvpartition Hope this helps *Thank you for formally accepting my answ...

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Merit of feeding Neural Networks data on the certainty of input/output relationship
In general (revise as you please and correct the coding errors) 0. Standardize data with zscore and discard or modify outlie...

fast 12 Jahre vor | 2

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Merit of feeding Neural Networks data on the certainty of input/output relationship
I have had tremendous success with this simple approach: Add varying amounts of random noise to the original inputs but keep ...

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Future Load Prediction with Neural Network Time Series Prediction
load data: What does that mean? load of what? day type: what does that mean? hot/warm/cold? windy/rainy/snowy? ; If you h...

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Neural network with two objective functions
The only way I have ever designed a successful stock market predictor was to use fractional increases in price (or return?) as t...

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How to save neural network in matlab??
To "run" a net means to use a saved net. There is no reason why a saved net will yield different results when it is repeatedly r...

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Get derivatives of neural network?
A good nnet will yield acceptible estimates of the function for which it is trained. Therefore use target = [ f ; g ] wh...

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NEURAL NETWORK Generalization Problems: 95% Good Prediction, 5% Bad Prediction
I don't understand the need for daily creations. Just create a net for each database and store it. Overfitting is easily h...

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MATLAB neural networks interpretation
view(net) is the only command I am familiar with.

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Neural network inputs; multiple vs. single neural networks
There are several basic types of neural nets on which to concentrate. All are well described in the MATLAB documentation: 1. ...

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Neural Network neuron values
1. THE BASIC PROBLEM IS THE DOCUMENTATION Neither help patternnet nor doc patternnet indicate that >> outputlayertransfer...

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Neural Network neuron values
0. [ I N ] = size(input) (I=6), [ O N ] = size(output) (O = 2), 1) Use mapminmax to obtain 6xN dimensional normalized (-...

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How to save neural network in matlab??
save(net) % retrieve using load(net) Hope this helps *Thank you for formally accepting my answer* Greg

fast 12 Jahre vor | 2

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Improving NARX network results
One hidden layer is sufficient net = narxnet(ID,FD,H) For details, search using greg narxnet and greg narx ...

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Create neural networks for ph neutraliztion model.
If this is a classifier use patternnet. help patternnet, doc patternnet If this is for regression, use fitnet. help...

etwa 12 Jahre vor | 0

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please how can build the following neural networks by matlab......I need solve
1. help narnet; doc narnet; %Also search in the NEWSGROUP and ANSWERS 2. help narxnet; doc narxnet; %Also search in the NE...

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newbie: How to use neural pattern recognition to create a base signal and recognizing signal.(having very little matlab experience)
1. Use PCA to reduce the dimensionality 2. Use k-means with k=6 to separate the data into 6 classes. 3. There are many ways...

etwa 12 Jahre vor | 0

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newbie: How to use neural pattern recognition to create a base signal and recognizing signal.(having very little matlab experience)
33 examples span, at most, a 32-dimensional subspace. Therefore you should try to reduce the dimensionality of the examples. ...

etwa 12 Jahre vor | 1