Meridian 1: catch leakage before measuring a model
Advanced evaluation lab · Audit feature timing, split boundaries and an implausibly strong result before trusting a score.
Explore & practiseThe practice & career studioTurn what you know
Turn what you know
into work you can explain.
Investigate a mistake. Solve a small challenge. Build a case you can defend. Original resources that help you move from reading to doing.
Find your next activity ↓A useful place to begin
Choose a small win.
Advanced / Rehearse reliable AI releases ↗Advanced / Evaluate AI evidence and retrieval ↗Advanced / Reason about cause and effect ↗Advanced / Evaluate useful forecasts ↗Advanced / Build reliable analytics models ↗Advanced / Start the Meridian evaluation labs ↗15 min / Solve a SQL challenge ↗15 min / Diagnose a misleading total ↗45 min / Prepare an honest résumé ↗
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Supporter offline project desk ↗Advanced evaluation & decisions
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144 resources
Advanced evaluation & decisions
Audit leakage, choose capacity-aware policies, inspect held-out slices and defend a release recommendation.
Meridian 2: choose a threshold with a capacity limit
Advanced decision lab · Reconcile precision, recall, error costs and a hard review-capacity constraint.
Explore & practiseMeridian 3: evaluate once, then inspect the slices
Advanced model-review lab · Reconcile a held-out confusion table with workflow-level results without overclaiming.
Explore & practiseMeridian 4: defend a release decision with evidence
Advanced career exercise · Turn evaluation results into a clear decision memo, monitoring plan and honest portfolio story.
Explore & practiseResume guidance and examples are for learning and preparation only. They do not guarantee interviews, a job offer or employment.
These original companion activities are free. Advanced offline packs are separate supporter extras; companion activities do not change saved course progress.
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