AI/ML Systems

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AI/ML Systems

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data-lab · coming next

Split the evidence

one move: protect the evidence from the learner

This lab is authored next in the plan. Its questions below are ready to practice now.

3 practice questions attached

THEORY-006Design a split that respects both time and user groups: sessions arrive hourly, and the same user recurs daily.transfer · Group leakagepractice →
DATA-006Predict the result of this temporal split: tickets sorted by creation date, first 80% train, last 20% test. What risks does it carry?prediction · Temporal splitpractice →
DATA-007Author 'chen' appears in both train and test. Find the group that leaks and state the harm.debugging · Group leakagepractice →

Prerequisite chain

This lab loads the previous artifact and asks you to keep, revise, or reject it — the artifact chain is the spine.