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🇷🇺 Russia VsOSh AI 2026, Final Stage, Tour 1 (theory)
New Sample
Relate R^2 of a regression refitted on data augmented with its own predictions to the original R^2.
- Statement
- Russian · Read it in English (Google Translate)
- To hand in
- Written answers
- Data type
- ✍️ Written questions
- Estimated difficulty
- ★★★☆☆
- Solution
- See a solution ↗ · best opened after you have tried
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