Customize Response Surface model picking weird number other than lower/center/upper level.
Hi all, I ran a initial DSD and now trying to follow up with Custom Design with some interaction term mimicking RSM. I set the range of lower and upper limit of each factor unless "fixed factors" as you can see below and added some interaction terms. Then I made the design without having center points/ replicates with I-optimality, which created 15 treatments by default.Most of the values generate...