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Analytics and AI without the intimidation. Plain-language guides to SQL, data work, and practical AI — examples you can use at work, a little humor, no PhD required.
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Comparing groups without fooling yourself
Group 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.
Batch vs streaming in plain English
Real time is a latency budget, not a vibe. Learn batch, streaming, and micro-batch in plain English so you know when yesterday…
Tokens, 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…
Autonomy: when to watch vs walk away
Part 5 of the Claude Cowork tutorial. Choose Manual, Auto, or Skip with eyes open: deletion still needs Allow, Auto screens actions…
Axes, scales, and honest baselines
Axes decide whether a chart is honest. Learn baselines, truncated scales, dual-axis traps, and when a log scale helps so small differences…
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