This blog post will cover what centering is, what a sum-to-zero contrast is, why and when you should use them, and how you can do them in R. Specifically, we will focus on their use and how they affect coefficient interpretation in regression tab…
This blog post will cover what centering is, what a sum-to-zero contrast is, why and when you should use them, and how you can do them in R. Specifically, we will focus on their use and how they affect coefficient interpretation in regression tab…