

Competitions
Predict withheld data, get scored the moment you submit, climb a public leaderboard — then find out where you really stand on the private split at close. Results are published once and are final: a percentile, a medal if you earned one, and whether you beat the baseline.
Data science · playground
openA playground regression contest on a synthetic rental dataset. Beat the mean, then beat each other.
RMSE ↓ · 14 Sept 2026 → 12 Oct 2026
Machine learning · playground
openPredict which subscribers cancel in the next 30 days.
AUC ↑ · 14 Sept 2026 → 12 Oct 2026
No results published yet.
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