Tag: foundations
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Statistical Inference & Hypothesis Testing: Distribution Families, MLE, CLT, p-Values, Confidence Intervals & Power Analysis
> **Core Executive Summary**: Statistical inference is the discipline of turning noisy data into calibrated decisions under uncertainty, and hypothesis testing
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Foundations & Deep RL: MDP, Bellman Equations, DQN, Policy Gradient, PPO & SAC
> **Core Executive Summary**: Reinforcement Learning (RL) studies how an agent learns an optimal policy $pi(a|s)$ via trial-and-error interaction with a dynami
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Search & Advertising System Design: Query Understanding, Inverted Index, RTB & pCTR Prediction
> **Core Executive Summary**: Search and advertising are two sides of the same funnel: understand the user’s intent, retrieve a candidate pool at massive scale,