How to set multiple output in fitrnet function?

Yijun GUO

2021 7 23

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Hello, I tried to use fitrnet cuntion in R2021a. It works well when I set only one output. But if the output data is 2D vector, error occurs. The raw code is following:

load carbig
X = [Acceleration Cylinders Displacement Horsepower Model_Year];
Y = [MPG Weight];
rng("default") % For reproducibility of the partition
c = cvpartition(length(Y),"Holdout",0.20);
trainingIdx = training(c); % Indices for the training set
XTrain = X(trainingIdx,:);
YTrain = Y(trainingIdx,:);
testIdx = test(c); % Indices for the test set
XTest = X(testIdx,:);
YTest = Y(testIdx,:);
Mdl = fitrnet(XTrain,YTrain,"Standardize",true, ...
    "LayerSizes",[30 10])

I can set two output using newff function in previous version. How can I deal with it? Thanks

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dpb 2021-7-23

I don't have the subject TB but there's no indication in present documentation of the regression net fitrnet being anything but a single response variable model

A search of current documentation didn't find any such function as newff that would do any such thing, either.

Which release and toolbox contained the function -- you sure you weren't using something from FEX or from some other source?