Calibration
Each dot is a confidence band. The bar through it is where the truth plausibly lies given how few predictions it holds. Dots on the diagonal mean your confidence means what it says.
Make a prediction
Waiting to be resolved
An unresolved prediction proves nothing. This is the part everybody skips, and it is the only part that turns a guess into evidence.
Where you are wrong
Calibration is not one number. Most people are sharp in one domain and hopeless in another.
Resolved
Your data
It lives in this browser's local storage and nowhere else. Export it if you care about it — clearing site data will take it with everything else.