FA-12592 / Survey sampling estimators / Member archive
Normalizing inclusion weights changes a population total · case 02
Normalizing inclusion weights changes a population total.
Case contract
Rows are (value, positive inclusion probability <= 1); return the estimated population total rounded to eight decimals; empty sample totals zero.
Why this case matters
A deterministic survey-design model isolates this sampling contract before it is embedded in a larger estimation pipeline.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| unequal probabilities | 3.33333333 | 20 | Failed |
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