Raup-Sepkoski kill curve + exponential survivorship: S(t)=e^(−λt); hazard=λ

Layer 3 — Biologyin the paleobiology subtree

Raup-Sepkoski kill-curve framework — the canonical statistical model of extinction magnitude-frequency in the marine Phanerozoic genus-level fossil record (Raup, Paleobiology 17, 37, 1991; Sepkoski 1984 factor-analysis extinction rates). …

Related concepts

Law of large numbers
Raup theorem: S=e^(−λt); h=λ; t_½=log(2)/λ; ⟨T⟩=1/λ; kill-curve f=C/x^k

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