Tag Archives: statistics

Do not flip-flop variables to make them work in your #@%*^& ANOVA

I was reading a paper this morning. It included a perversion of a common statistical analysis that is fundamentally wrong, utterly unneccesary, and has an easy solution. This perversion, unfortunately, is also distressingly common. Inspired by O’Hara and Kotze’s 2010 … Continue reading

Posted in Quantitative | Tagged , , , , | Leave a comment

Must it be Santa? A case study in Bayesian updating

Ah, Christmas eve. A magical day when we reflect on the deep questions. Is there anything more valuable than family togetherness? What is the true meaning of the season? Who is that strange man breaking into my house at 2:00 … Continue reading

Posted in Quantitative | Tagged , , , , , | Leave a comment

A Very Short Introduction to Time Series

Last week, I gave a presentation on the basics of time series statistics to an informal group of students in biology, forestry, and fisheries who meet every week to share tips and talk over problems involving statistics and R. A … Continue reading

Posted in Quantitative | Tagged , , | Leave a comment

Queensland Rain: Quick ‘n’ Dirty Climatology

My last post, on the connection between the equatorial Pacific Ocean and the floods in Eastern Australia, closed with a graph of the Southern Oscillation Index (SOI) over the past 40 years, and with an assertion that major rains and … Continue reading

Posted in Quantitative | Tagged , , , , , , , , , | 5 Comments