Multi-Armed Bandit Testing: How It Works and When to Use

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Multi-Armed Bandit Testing: How It Works and When to Use

A multi-armed bandit shifts traffic to winning variations as data arrives. How epsilon-greedy, Thompson sampling, and UCB work, and when a bandit beats a fixed A/B test.

A multi-armed bandit shifts traffic to winning variations as data arrives. How epsilon-greedy, Thompson sampling, and UCB work, and when a bandit beats a fixed A/B test.