Collinearity 1: What is it?

The first of 4 videos on collinearity and orthogonalization. All 4 videos will be based on materials from this paper http://journals.plos.org/plosone/arti... Please join the FB group:   / mumfordbrainstats   or Follow the tumblr:  / mumfordbrainstats   or Follow me on Twitter: @mumbrainstats or All three!