Articles tagged with contextual-bandits | Vitor Sousa

Vitor Sousa

Articles tagged contextual-bandits

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Deploying Contextual Bandits: Production Guide and Offline Evaluation Part 5 Systems design, offline evaluation, and monitoring strategies for running contextual bandits safely in production. 24 min
Neural Contextual Bandits for High-Dimensional Data Part 4 When linear models fail, neural networks step in. Learn when to use neural bandits, how to quantify uncertainty with bootstrap ensembles, and handle high-dimensional action spaces with embeddings and two-stage selection. ~22 min
Implementing Contextual Bandits: Complete Algorithm Guide Part 3 Complete Python implementations of ε-greedy, UCB, LinUCB, and Thompson Sampling. Learn which algorithm to use for your problem with default hyperparameters and practical tuning guidance. ~25 min
Contextual Bandit Theory: Regret Bounds and Exploration Part 2 Understand the theory behind contextual bandits: regret bounds, the exploration-exploitation tradeoff, reward models, and why certain algorithms work. Math that directly informs practice. ~18 min
When to Use Contextual Bandits: The Decision Framework Part 1 Stop running month-long A/B tests that leave value on the table. Learn when contextual bandits are the right choice for adaptive, personalized optimization—and when to stick with simpler alternatives. ~20 min