Permutation Feature Importance Doesn't Make Sense
It gives arbitrary results when faced with dependent data
Posts
Neural Bradley Terry Models
I've got a fever! And the only prescription... is more neural networks.
Non-Transitive Bradley Terry Models
One thing that has always bugged me about Bradley Terry models is that it can’t model rock-paper-scissors. Let’s see if we can fix that!
Fun with Player Ratings
How to tell who’s the best player?
LLM AB Tests
Why get many samples when LLM do trick
Solving Pipes Puzzles with Constraint Propagation
I solve my guilty pleasure puzzle using Julia
Estimating Prevalence using Imperfect Classifiers
How to correct prevalence estimates using PPI
Well-calibrated predictions are not enough
Calibration is an important idea in statistical prediction. However, it’s not the only thing.
Diagnosing Bad Hypothesis Tests
I find a strange plot of p-values from a hypothesis test and investigate.
The Fastest Poisson(1) in the West
How quickly can I generate a Poisson(1) random variable?