bug about trainNetwork for Trainning Convolutional Neural Network for Regression

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Jack Xiao
Jack Xiao 2018-7-14
回答： Wentao Du 2018-7-17
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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回答（1 个）

Wentao Du
Wentao Du 2018-7-17
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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