JMP 16- Confidence Intervals getting wider during backwards elimination of fixed effects in a mixed model DoE?
Hello, Apologies if this has been asked before. I used the search function before posting and couldn't find anything on this forum. I'm exploring mixed models for DoE in an effort to gain deeper understanding on how fixed and random effects contribute to a process output. However, when I try to manually use backwards elimination to simplify my fixed effect regression parameters, I notice that the ...