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how can i bring mse near to 0 as it is very large on training data and how 5 steps ahead prediction is done with ntstool by using closeloop net
Insufficient detail. What are the input and targets? size(input) = ? size(target)= ? What are the significant lags o...

11 years ago | 0

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Answered
How can i Use GA in MATLAB to train a neural network
Try the newest posts first NEWSGROUP HITS neural ga greg 14 neural genetic greg 20 neural ga ...

11 years ago | 0

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How is it possible to use ANN in Optimization Problems ?
It is not clear to what you refer. Two thoughts come to mind: 1. Use an optimization program to train a nnet. 2. Use a nne...

11 years ago | 1

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How to increase train features in a neural network classifier???
Oh, Wait a minute! You are using NEWPNN which uses all of the data for training. I recommend using NEWRBF instead. To sep...

11 years ago | 0

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How to use divideind and then get the validate and test accuracy in the confusion matrix?
Regardless of divideFcn, use all of the data at once in train. Make sure the target columns are columns of eye(c) if there are c...

11 years ago | 0

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image classifier using neural network
I assume you are using patternnet. Initial weights and data division depend on the current state of the RNG which changes eac...

11 years ago | 0

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Why is the testSet (size) equal to the dataSet after installing net.divideParam.testRatio to 15/100.
The separation of y into trn/val/tst subsets is accomplished via the indices in the training record tr. [ net tr y e ] = tra...

11 years ago | 0

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How to set training and taget data for training neural networks?
Make life easy and use a *.txt file. For the NNTBX you will have to transpose your matrices. For classification use patternnet ...

11 years ago | 0

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Is it possible to show the significance of each input in relation to the outputs?
The following is a general answer to your title which may or may not be directly applied to your particular problem. 1. It i...

11 years ago | 1

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Neural Network Stock price prediction - Extremely accurate results
% Neural Network Stock price prediction - Extremely accurate results % Asked by Soham Acharjee about 10 hours ago % Hi, %...

11 years ago | 0

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Why is there a difference between output of neural network by inbuilt test function (ANN Toolbox) and custom designed test function? (Test Function: One that checks accuracy of network after training)
MAPMINMAX is not used correctly: 1. The parameters obtained from the training input should be used on the test input. 2. ...

11 years ago | 1

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Answered
NARX Close loop error
Try searching both the NEWSGROUP and ANSWERS using greg narxnet closeloop Hope this helps. *Thank you for formally acc...

11 years ago | 0

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Neural networks - How to use different datasets for training, validation and testing?
Please clarify because multiple 1/3,1/3,1/3 designs for each trial value of H, the number of hidden nodes, is exactly the best w...

11 years ago | 0

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Unable to understand the 0% training for 4th class
1. I do not understand your explanation. Since you have 6 categories, your target columns should come from eye(6). 2. Correct...

11 years ago | 0

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how to generate simple feed-forward code with accuracy?
Use patternnet for classification. help patternnet doc patternnet For c classes, the target columns are obtained from ...

11 years ago | 0

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How can I access the weights and connections in nftool in MATLAB?
I don't understand: The weights are the connections between neurons. Also, I do not understand why you would want to do this....

11 years ago | 0

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Answered
how can i use the neural network toolbox for face recognition using att database ?
Search both the NEWSGROUP and ANSWERS face recognition neural

11 years ago | 0

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What are the extra return values of this Neural Network training code?
For regression/curve-fitting (e.g., FITNET) and classification/pattern-recognition (e.g., PATTERNNET) with double variables ...

11 years ago | 0

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Neural network AIC and BIC calculation (number of parameters?)
Search the NEWSGROUP and ANSWERS using greg Nw Hope this helps. *Thank you for formally accepting my answer* Greg

11 years ago | 0

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What is the default radial basis function used in newrb() function?
Hyperspherical Gaussian help radbas doc radbas type radbas If you prefer hyperelliptical, use radbas in firnet or pat...

11 years ago | 0

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Neural Network Results Are Not Close To Test Data
Yes. You've made at least one mistake.

11 years ago | 0

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What are the advantages of curve fitting to regression Neural Network ?
Since NNs like FITNET do both, I think you are confused w.r.t. terminology. Do you mean when to use the neural toolbox instea...

11 years ago | 1

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How can I create dataset from excel file to use for function fitting problem using neural network?
You can do it with or without. If you don't you may come back sometime later and wonder what the names of the variables are....

11 years ago | 0

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How do I find out the number of neurons in layers?
% newrb( x, t ,MSEgoal, spread, Nbmax, dNdisp ) % x - I x N matrix of N "I"nput vectors. % t - O ...

11 years ago | 0

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Answered
How to calculate mape in matlab for a data type double?
mean(abs(error./target)) Hope this helps. *Thank you for formally accepting my answer* Greg

11 years ago | 0

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MAPE for out-of-sample in neural network
Not sure why you would use a measure that has the possibility of being infinite. However mape = mean(abs(e./t)) Hope this ...

11 years ago | 0

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Neural Network Toolbox > Is there anybody who is using 'newff' for multiple inputs?
Using 90 hidden nodes is probably 10 orders of magnitude too high. Use as many defaults as possible. Vary the number of hi...

11 years ago | 0

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Answered
NARX - Next Day Prediction of Stock Prices
> I am using a Time Dalay NARX Neural Network to predict the next day prices of stocks from a > particular industry sec...

11 years ago | 0

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How can I access the weights and connections in nftool in MATLAB?
I think you will have to use the command line approach and loop over 1 epoch at a time. It will be painfully slow even if you...

11 years ago | 0

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good test error and wrong relative output
What are the results of something like (Notice the deliberate omission of semicolons) [ I N ] = size(x) [ O N ] = size(t...

11 years ago | 1

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