case0902 {Sleuth2}R Documentation

Why Do Some Mammals Have Large Brains for Their Size?

Description

The data are the average values of brain weight, body weight, gestation lengths (length of pregnancy) and litter size for 96 species of mammals.

Usage

case0902

Format

A data frame with 96 observations on the following 5 variables.

Species
species
Brain
average brain weight (in grams)
Body
average body weight (in kilograms)
Gestation
gestation period (in days)
Litter
average litter size

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

See Also

case0902

Examples

str(case0902)
pairs(log(Brain)~log(Body)+log(Litter)+Gestation, case0902)

[Package Sleuth2 version 1.0-1 Index]