Kaplan and Meier: nonparametric estimation from incomplete observations

What changed

A standard way to estimate survival from incomplete event-time observations became available.

Scientific scope

1958 two-author paper; not all survival analysis, competing risks or causal effects.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the 1958 two-author paper. It does not cover all subsequent survival-analysis methods, competing-risk estimators or causal interpretations.

Contributors

• E. L. Kaplan · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• Paul Meier · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• Kaplan and Meier 1958 paper copy
• Kaplan and Meier, Nonparametric Estimation from Incomplete Observations

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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