LSTM training problem in MATLAB
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Hossein Malekahmadi
2021 年 7 月 24 日
コメント済み: Sruthi Gundeti
2021 年 7 月 26 日
Hi i tried to run LSTM with below code and i dont know why i get this error
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% Calculating amount of test data
N = round(size(inp_train,1)*30/100);%change 0.3 for defferent amount of test data
% Seperating data for training and testing
nn_train = inp_train(1:end-N,:);
in_test = inp_train(end+1-N:end,:);
tn_test = tar_train(end+1-N:end,:);
nn_target = tar_train(1:end-N,:);
numfeatures = size(nn_train,2);
numHiddenUnits = 100;
numClasses = size(nn_target,2);
layers = [...
sequenceInputLayer(numfeatures)
lstmLayer(numHiddenUnits)
fullyConnectedLayer(numClasses)
regressionLayer];
maxEpochs = 1000;
options = trainingOptions('adam',...
'MaxEpochs',maxEpochs,...
'InitialLearnRate',0.0001,...
'GradientThreshold', 0.01);
net = trainNetwork(nn_train, nn_target, layers, options);
the error:
Error using trainNetwork (line 150)
Invalid training data. Sequence responses must have the same sequence length as the corresponding
predictors.
Error in LSTM (line 30)
net = trainNetwork(nn_train, nn_target, layers, options);
and my data:
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採用された回答
Sruthi Gundeti
2021 年 7 月 26 日
Hi,
The LSTM network considers inputs as follows
No of rows= No of features
No of columns= No of Samples
No of samples for training data and target data must be same i.e., No of columns of NN_target and nn_train must be same
You can train by using transpose of both data
nn_train=nn_train'
nn_target=nn_target'
i.e.,net = trainNetwork(nn_train, nn_target, layers, options);
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