P63Machine LearningAdvancedDesign18 min

Design a Group-Aware Validation Split

Design evaluation when entities have multiple rows.

#design#group validation

Scenario

Hospital visits from the same patient appear in both random train and validation splits, producing AUC 0.89.

Problem statement

Design realistic validation.

Your Task

  1. State the independence problem.
  2. Separate entities.
  3. Define generalization.

Related Concepts

Grouped splitsLeakage

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