MATLAB Answers

How to re-train a neural network

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Israel Yaish
Israel Yaish on 29 Apr 2021
Answered: Aditya Patil on 10 May 2021
How to re-train (continue training) a neural network using the following implementaion:
net = trainNetwork(XTrain,YTrain,layers,options);

Answers (1)

Aditya Patil
Aditya Patil on 10 May 2021
Check the documentation on how to resume training from checkpoint.
In short, save the model to a mat file using the CheckpointPath option, and load the mat file later. Then you can resume the training my passing the layers of the checkpoint during training, as follows
trainNetwork(XTrain,YTrain,net.Layers,options)
Note that if you reuse the same options, you might see that the training diverges, as the training might have reduced the learning rate. Hence, use appropriate options as required.

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