# Posts

### Naming sum-to-zero contrasts

In 2016 I started thinking about using sum to zero contrasts and wrote a brief blog post about them. Someone read it! I got this email …

### Nutrient Cycling?

I set up 4 10 gallon aquaria in the teaching lab this semester. The goal was to observe the nitrogen cycle as the tanks settled in. I …

### Simple image of bubbles

A colleague wrote: Hi Drew, I’m trying to make a really simple (I think) plot in R, but am not sure how to do it. I want to make the …

### I don’t understand my students

Really. I have no concept of what my students’ lives are like, and this is something I have to constantly remind myself. I cannot …

### Getting pedantic: should I always name arguments in function calls?

I’ve been teaching students ggplot2 for graphics exclusively for a year or more now. One issue that seems to throw students is …

### Growing pains

So I’ve kicked the ball on migrating to blogdown/hugo/netlify!

### Testing out latex

This is a shorter summary that will hopefully be used by Hugo.

### Does model averaging make sense?

Brian Cade published a scathing condemnation of current statistical practices in ecology. It promises to be highly influential; I have …

### How to read a tab delimited file

The semester long course from Data Carpentry uses read.csv(..., sep=' ') to read tab delimited files. I’ve been using …

### What's the best way to implement the logistic model in R?

I’m teaching my population dynamics class using R for the first time. I want the students to use a simple logistic population …