Blog

Welcome to my blog where I mostly muse about applied statistics.

A Systems View of Campus Sexual Assault Reports

process control

This post is about how institutions count and interpret reports of sexual violence. Every number below is a person. If you or someone you know needs support, RAINN’s hotline…

Aaron R. Caldwell

Stochastic Superiority Part 2: Ordinal Models

statistics, Rstats

When analyzing ordinal data — like Likert scales, severity ratings, or satisfaction scores— traditional effect sizes often fall short of providing intuitive interpretations.…

Aaron R. Caldwell

Stochastic Superiority Part 1: Definition and a Function in R

statistics, Rstats

Stochastic superiority quantifies the probability that a randomly selected observation from group A will have a higher ordinal outcome than a randomly selected observation…

Aaron R. Caldwell

Percent Change, Sympercents, and Ratios

statistics, Rstats

Last Update: 2024-06-04

Aaron R. Caldwell

Repetitive Analyses in R

statistics, Rstats

Sometimes as a statistician my job can be repetitive. For many projects, there may be a cluster of variables that all need to be analyzed the same way. For example, we might…

Aaron R. Caldwell

Simulating a Study with a Binary Outcome

I was on Twitter the other day and saw that Andrew Althouse had a nice thread on simulating an RCT and I wanted to expand on his suggestions and provide some of my own…

Aaron R. Caldwell

Increasing testing severity in multi-group designs

A little over a year ago Patrick Forscher wrote a very nice blog post about a simple way to increase the severity of a hypothesis test in a multi-group experimental design…

Aaron R. Caldwell

Clarifying the Meaning of Statistical Collaboration

Updated on: 2024-01-18

Magnitude Based Inference in R and SAS

Updated on: 2024-01-18