PCA, or principal components analysis, is one of the most wide-spread statistical methods in use. It shows up in many disciplines, from political science and psychology, to chemistry and biology. PCA is also really challenging to understand. I’m pleased to announce that my colleague David Harvey and I have ... [Read more...]

Part 1 of this series is here. Part 2 of this series is here. If you aren’t familiar with ChemoSpec, you might wish to look at the introductory vignette first. In this series of posts we are following the protocol as described in the printed ... [Read more...]