NeanderthalBrains: Cranial Capacity in Neanderthals and Modern Humans

NeanderthalBrainsR Documentation

Cranial Capacity in Neanderthals and Modern Humans

Description

Brain size (lnbrain) and body mass (lnmass) in Neanderthals and early modern humans (species).

Usage

NeanderthalBrains

Format

A data frame with 39 observations on the following 3 variables.

ln.mass

log of body mass (kg)

ln.brain

log of brain size

species

a factor with levels neanderthal recent

Source

Ruff, C.B., E. Trinkaus, and T.W. Holliday. 1997. Body mass and encephalization in Pleistocene Homo. Nature 387: 173-176.

Examples


xyplot(ln.brain ~ ln.mass, data=NeanderthalBrains, groups=species)


kmiddleton/abd documentation built on April 24, 2024, 12:17 p.m.