Blog

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

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
Sep 17, 2025
 
Stochastic Superiority Part 1: Definiton 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
Sep 16, 2025

Percent Change, Sympercents, and Ratios
statistics, Rstats
Last Update: 2024-06-04
Aaron R. Caldwell
May 24, 2024

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
Jan 31, 2024
 
Simulating a Study with a Binary Outcome
Rstats
statistics
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
Jan 29, 2021

Increasing testing severity in multi-group designs
R
statistics
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
Nov 20, 2020
 
Clarifying the Meaning of Statistical Collaboration
statistics
Updated on: 2024-01-18
Aaron Caldwell
Aug 23, 2020

Magnitude Based Inference in R and SAS
Rstats
statistics
Updated on: 2024-01-18
Aaron Caldwell
May 4, 2020
No matching items