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Analytics · August 21, 2026Comparing groups without fooling yourselfGroup A beat Group B on the dashboard. Was it the product, the mix of users, or a baseline that moved on its own? Part 2 of Statistics for analysts covers fair comparisons without fooling yourself.Analytics · August 21, 2026Batch vs streaming in plain EnglishReal time is a latency budget, not a vibe. Learn batch, streaming, and micro-batch in plain English so you know when yesterday is fine, when minutes matter, and when delay truly changes outcomes for your team.AI · August 21, 2026Tokens, context windows, and cost (intuition)Context is a suitcase, not infinite storage. Part 2 of Practical AI for analytics people explains tokens, why long pastes fail, how cost scales with schemas and history, and when chunking beats cramming.

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