Beginner Question
Hi community, this is my first post ever in a forum and also the first time I'm using DoE for experiments. I have watched the DoE Video from JMP and have a question or rather look for confirmation: I have an experiment with two continuous factors (e.g. range of pHs) and one categorical factor (e.g. type of acid). I want to use RSM but apparently, it won't work when a categorical factor is in...