Online Learning and Bandits - Part 1

Online Learning and Bandits - Part 1

Simons Institute via YouTube Direct link

ONS Performance

22 of 29

22 of 29

ONS Performance

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Online Learning and Bandits - Part 1

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  1. 1 Intro
  2. 2 Positioning this Tutorial
  3. 3 Working Definitions
  4. 4 Full Information Online Learning
  5. 5 Setup
  6. 6 OCO Problem
  7. 7 Design Principle
  8. 8 Online Gradient Descent (OGD) Algorithm
  9. 9 Online Gradient Descent Result
  10. 10 Proof of OGD regret bound (ctd)
  11. 11 OGD Discussion
  12. 12 From Learning Parameters to Picking Actions
  13. 13 Let's apply what we know
  14. 14 Exponential Weigths / Hedge Algorithm Algorithm: Exponential Weights (EW)
  15. 15 EW Analysis Applying Hoeding's Lemma to the loss of each round gives
  16. 16 Summary so far Balancing act "model complexity vs "overfitting
  17. 17 FTRL/MD "sneak peek"
  18. 18 FTRL/MD sneak peak performance Algorithm: Follow the Regularised Leader (FTRL)
  19. 19 Quadratic Losses
  20. 20 Curvature assumptions
  21. 21 ONS Algorithm
  22. 22 ONS Performance
  23. 23 ONS Discussion
  24. 24 Offline Optimisation
  25. 25 Online to Batch Assumption: stochastic setting
  26. 26 Computing Saddle Points
  27. 27 Application 3: Saddle Point Algorithm Algorithm: approximate saddle point solver
  28. 28 Application 3: Saddle Point Analysis
  29. 29 Conclusion

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