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bug about trainNetwork for Trainning Convolutional Neural Network for Regression

Asked by Jack Xiao on 14 Jul 2018
Latest activity Answered by Wentao Du on 17 Jul 2018

as in demo of Trainning Convolutional Neural Network for Regression,

"[XTrain,~,YTrain] = digitTrain4DArrayData; [XValidation,~,YValidation] = digitTest4DArrayData; .... "

the final train code is "net = trainNetwork(XTrain,YTrain,layers,options);" we can see that XTrain and YTrain are read-ahead. because the data size in the demo is small. but if we are on large scale data, so how to deal with "XTrain" and "YTrain" .

does trainNetwork support "XTrain" and "YTrain" read online for regression?

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sorry for the term. but how to solve the problem? does trainNetwork support "XTrain" and "YTrain" read online for regression?

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1 Answer

Answer by Wentao Du on 17 Jul 2018

Not sure about "read online".

For large datasets, you can create a datastore (see this example using imageDatastore): https://www.mathworks.com/help/nnet/examples/create-simple-deep-learning-network-for-classification.html

More on datastore:

https://www.mathworks.com/help/matlab/import_export/what-is-a-datastore.html

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