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Missing declaration of "valSetSize" in Example "Develop Raw Camera Processing Pipeline Using Deep Learning"

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yang li
yang li on 24 May 2021
Commented: yang li on 26 May 2021
When I try to use this example (link: to train a neural network. I changed the value of "doTraining" to "true". But an error is reported on line 204. The error message is "The function or variable ‘valSetSize’ is not recognized".
I confirmed that the variable "valSetSize" is not defined in the context.
So how can I know how to set this parameter?
Any answers are helpful.
Thank you.

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