brains: Mammal brain and body weights

In glmtoolbox: Set of Tools to Data Analysis using Generalized Linear Models

Mammal brain and body weights

Description

These data correspond to the (average) body weight and the (average) brain weight for sixty-two species of mammals.

Usage

data(brains)

Format

A data frame with 62 rows and 3 variables:

Specie

a character string giving the species name.

BrainWt

a numeric vector indicating the average brain weight, in grams.

BodyWt

a numeric vector indicating the average body weight, in kilograms.

References

Allison T., Cicchetti D. (1976). Sleep in mammals: Ecology and constitutional correlates. Science 194:732-734.

Weisberg S. (2005). Applied Linear Regression, 3rd edition. Wiley, New York.

Examples

data(brains)
xlab <- "log(Body Weight)"
ylab <- "log(Brain Weight)"
dev.new()
with(brains,plot(log(BodyWt),log(BrainWt),pch=20,xlab=xlab,ylab=ylab))

glmtoolbox documentation built on Sept. 11, 2024, 7:32 p.m.