Day 8: Mean centering regressors

Here's one that has lead to some confusion, but hopefully this will clear it up! R code is here: https://www.dropbox.com/s/m7f1gpavshf... Please join the FB group:   / 814002928695226   or Follow the tumblr:  / mumfordbrainstats   or Follow me on Twitter: @mumbrainstats or All three!