statistics you can probably trust

A few weeks ago I got back into an old textbook of mine, Design and Analysis of Experiments (Dean and… Read more

As a statistical consultant I frequently use boxplots. They're a great way to quickly visualize the distribution of a continuous… Read more

Chapter 6 of Gelman and Hill's Data Analysis Using Regression and Multilevel/Hierarchical Models presents an interesting example of Poisson regression… Read more

Mosaic plots provide a way to visualize contingency tables. However they’re not as intuitive as, say, a scatter plot. It’s… Read more

I was recently invited to review the second edition of the R Graphs Cookbook by Jaynal Abedin and Hrishi V…. Read more

I finally reached the point where I was using dplyr enough to get annoyed with typing %>%. I’m guessing if… Read more

Earlier this year I taught an Intro to R Graphics workshop. While preparing for it I came across the termplot… Read more

Let's talk about permutation tests and why we might want to do them. First think about the two-sample t-test. The… Read more

Say you fit a model using R's lm() function. What you get in return are coefficients that represent an estimate… Read more

I’ve decided it’s time to use GitHub Gist for posting code snippets in my blog. My original motivation was better… Read more