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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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Power BI starter: measures that match the question
Measures answer questions. Columns just sit there. This part shows how to write DAX that matches the business question, fix filter context mistakes, and test a measure before it lands on a dashboard.
Peeking, guardrails, and stopping rules
Peeking at p-values every morning wrecks the experiment you thought you ran carefully. Part 2 of Experimentation culture covers guardrails, fixed horizons,…
Catalogs and where is the truth?
“Where is the truth?” usually means too many copies and no short card. Part 2 of Data stewardship at work shows a…
Multimodal AI for charts and screenshots
Models that read charts and screenshots feel magical until a legend lies, a crop hides the axis, or a dashboard theme fools…
Share with a team without creating chaos
Part 3 of the Custom GPTs tutorial. Share a team recipe without chaos: name one owner, keep version notes, control edit rights,…
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