split plot using custom design -- modeling terms confusion
Hi. I'm using JMP Pro 15.2.1.I'm doing a split plot design where X1 is my very hard to change factor with 3 levels (whole plots) and X2 is a hard to change factor with 3 levels (subplots). Only two of the three levels of X2 can be done in each whole plot, so I designated 3 whole plots and 6 subplots to achieve that effect, where the hard to change factor can NOT change independently of the very ha...