Site index

Sitemap.

Every page on unspurious, in one place — eleven entries, four interactive tools, the blog, and the reference pages.

The compendium

Statistical illusions, grouped by the mechanism that produces them.

Each runs entirely in your browser, on real statistics.

The Base-Rate Explorer A confusion-matrix sandbox: rarity, accuracy, and what a positive is worth.
The P-Hacking Sandbox A playable Texas sharpshooter — find significance in pure noise.
Lie With This Chart Drag a y-axis off zero and watch an honest number mislead.
The Benford Detector Paste any numbers and test them against Benford's Law.

A machine-readable version for search engines lives at sitemap.xml.