Pattern Recongnition Network: Class balancing

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Thanujan Mohanadasan
评论： Nick Van Berckelaer 2018-8-20
Hi,
How do I consider class balancing in a patternnet similar to the following example?
Class balancing in a pixel classification layer

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Niraj Gadakari
Niraj Gadakari 2017-9-29
You can specify the performance function in patternnet as crossentropy, and specify the performance weights to perform class balancing in Pattern Recognition Network.
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Greg Heath
Greg Heath 2017-10-3
performance weights should be specified for training. greg
Nick Van Berckelaer
Nick Van Berckelaer 2018-8-20
Can you provide instructions on or an example of how performance weights are to be specified during training? The parameter perfWeights is not a performParam as far as I see.
net = feedforwardnet(10);
net.performFcn = 'crossentropy';
net.performParam.regularization = 0.1;
net.performParam.normalization = 'none';

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