Explore real datasets through reproducible analysis, interactive models, and explanations that show not only what works, but why.
A classification study on 303 referred cardiac patients — and why the best-scoring model is not the one served.
Thirteen clinical measurements, 303 patients, and one question: how much of the diagnosis is visible before any invasive test is ordered? The study compares candidate models against a …
11 min read · Updated 15 Sep 2026
A classification study on 303 referred cardiac patients — and why the best-scoring model is not the one served.
Thirteen clinical measurements, 303 patients, and one question: how much of the diagnosis is visible before any invasive test is ordered? The study compares candidate models against a …
11 min read · Updated 15 Sep 2026
Step 1
A question
What is being asked, and what the data can honestly answer.
Step 2
Evidence
The dataset, its provenance, and what it leaves out.
Step 3
A method, compared
Candidates measured against a baseline, with the tradeoff stated.
Step 4
Limits
Where the result stops holding. Every study says so.