NARX - MSE validation error is ZERO

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Tascha
Tascha 2016-12-29
回答： Sid Jhaveri 2017-1-3
Hello,
I am quite new to Matlab and have a question.
I am trying to predict a timeseries using a NARX net.
What does it mean if my MSE validation error is zero?
Both test and training have dessent values.
Kind regards Natascha

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回答（1 个）

Sid Jhaveri
Sid Jhaveri 2017-1-3
Hi,
MSE = 0 on validation data set means your model was able to predict all the validation data correctly. This might indicate over fitting. If you would like to plot and visual, then I would suggest trying out the plot functions in the link given below:
https://www.mathworks.com/help/nnet/functionlist.html

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