How to find error between predicted and actual data ?

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kamal
kamal on 30 Aug 2020
Edited: Adam Danz on 30 Aug 2020
I have trained a model using GPR and want to see error between predicted and actual data.

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Answers (1)

Adam Danz
Adam Danz on 30 Aug 2020
Edited: Adam Danz on 30 Aug 2020
Use predict(grpModel, x) to get the predicted response. x should be the x values of your training data. Then just subtract the predicted results from the y-values from your training data.
This page of the documentation has a demo. Search for "Compute the regression error on the test data."

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