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Results tagged with upper-confidence-bound
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user 21287
For questions about the upper confidence bound (UCB)-based algorithms or action selection strategies in the context e.g. of bandit or reinforcement learning problems.
5
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1
answer
947
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Multi Armed Bandits with large number of arms
I'm dealing with a (stochastic) Multi Armed Bandit (MAB) with a large number of arms.
Consider a pizza machine that produces a pizza depending on an input $i$ (equivalent to an arm). The (finite) set …
- 101
2
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1
answer
530
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In UCB, is the actual upper bound an upper bound of an one-sided or two-sided confidence int...
I'm a bit confused about the visualization of the upper bound (following the notation of (c.f. Sutton & Barto (2018))
$$Q_t(a)+C\sqrt{\frac{\mathrm{ln}(t)}{N_t(a)}}$$
In many blog posts about the UCB( …
- 101