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Dataset split: training data includes observations from validation period · case 04

training data includes observations from validation period.

Member previewVariant 4 · 3 implementations · 6 checks per implementation

Case contract

Given training and validation [id,time] rows, return whether max(train time) < min(validation time); empty side is true.

Why this case matters

This toy split allocator makes membership rules explicit for reproducible evaluation fixtures.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixtureActualExpectedOutcome
equal boundarytruefalseFailed

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