Nominal, ordinal, interval, ratio: Stevens’ typology and some problems with it

The nominal ordinal interval ratio scheme
Stevens (Stevens 1946) divided types of variables into four categories, and these have become entrenched in the literature. The levels are nominal…

Why you should probably not transform your data

Book review: A Mathematician’s Lament by Paul Lockhart

Great quotations: Galileo on God and Intelligence

The quote:

I do not feel obliged to believe that…

Do not put p-values in your Table 1

What’s a Table 1?

Why BMI is a bad measure of obesity (and what is better)

BMI, or body mass index, is calculated by dividing by weight by height squared. Specifically, it’s weight in kilograms divided by height in meters, squared. If you prefer pounds and inches, then it’s weight in pounds *703 divided by…

Should ANOVA be abandoned?

What is ANOVA?

Interesting words: Seasonal adjectives

Words

Should you even do a hypothesis test?

Should you do hypothesis tests? That may seem like a silly question, especially if you are…

LaTeX for people who think they don’t need it

Introduction