Mahalanobis distance explained

Posted by & filed under Statistics, Teaching.

This post does a fantastic job of the Mahalanobis distance. Basically, one can think of it as a multivariate generalization of the z-score. That is, the standardized distance of a vector from the origin (mean vector).

plots: chemical structure diagrams

Posted by & filed under Teaching.

For some reason I’ve been wanting to learn how to make chemical structure diagrams. I have no use for them, but I just want to know how to draw them on the computer. I found out the programs that make such diagrams are called “molecule editors.” A quick search yielded a lot of proprietary software,… Read more »