Exploration vs Exploitation Quiz

Master exploration and exploitation through practical bandit scenarios, reward calculations, strategy comparisons, timed challenges, explanations, and interactive performance reports for confident decision making skills.

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Concept	Formula	Meaning
Epsilon-greedy greedy action	1 − ε + ε/k	Includes exploitation and random selection of the greedy action.
Epsilon decay	εₜ = max(εmin, ε₀dᵗ)	Reduces exploration while maintaining an optional floor.
Softmax	exp(Q/τ) / Σ exp(Q/τ)	Converts action values into probabilities.
UCB	Q + c√(ln(t)/N)	Adds an uncertainty bonus to the value estimate.
Action-value update	Qnew = Q + α(R − Q)	Moves an estimate toward the newest reward.
Instantaneous regret	μ* − μa	Opportunity loss from the chosen action.
Cumulative regret	Σ rₜ	Total opportunity loss over time.
Entropy	−Σ π(a)logπ(a)	Measures how spread the action probabilities are.
Beta posterior mean	α / (α + β)	Expected Bernoulli success probability.

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Exploration vs Exploitation Quiz

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