MATLAB LSTM chickenpox example is the only working case

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Giacomo Notaro 2020-3-25

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https://ww2.mathworks.cn/matlabcentral/answers/512904-matlab-lstm-chickenpox-example-is-the-only-working-case

评论： diana haron 2020-9-27

Hi,

I'm studying LSTM networks forecasting, looking at the chickenpox example on MATLAB website, I've learned how to perform a multistep forecasting of time series.

I applied those concepts to a simple sin function time history and it worked, then I used another time history, similar to the chickenpox cases one, give by MATLAB and the forecasting didn't worked.

Even modifying the lstm layer properties or the training options. I tried also to modify the architecture. It simply doesn't work.

The "predicting" is working properly but "forecasting" is only working on that specific time series given for the example.

I attach the test time history I'm trying to forecast, the result is a line or at maximum a sinusoidal shape, not reproducing all the peaks of the original time history.