How to center in multilevel models

Ever thought about centering your variables before running an regression based analysis? From my personal experiences with students, chances are high are that you haven’t. Although a useful data transformation procedure for many different types of statistical analyses, centering is seldom taught in fundamental statistic courses. Although the mathematical principles behind it may seem arbitrary, […]

Hello and welcome back!

If you have ever been on this website before, you might realize that the design changed slightly and some new contents appear on a couple of sites. Yes, I did move to wordpress. Although it was great fun to create this website from scratch and keep it simple and fast by implementing only basic html […]