https://www.jmp.com/support/help/en/17.1/jmp/lack-of-fit-test.shtml
Lack of Fit Test
lack of fittest
https://www.unsw.edu.au/science/our-schools/maths/engage-with-us/seminars/2014/testing-lack-fit-functional-regression-models
Testing for lack of fit in functional regression models | School of Mathematics and Statistics
lack of fit