primates

R Documentation

Primate Body and Brain Weights

Description

A subset of Animals data frame from the MASS library. It contains the average body and brain measurements of five primates.

Usage

primates

Format

This data frame contains the following columns:

Bodywt

a numeric vector consisting of the body weights (in kg) of five different primates

Brainwt

a numeric vector consisting of the corresponding brain weights (in g)

Source

P. J. Rousseeuw and A. M. Leroy (1987) Robust Regression and Outlier Detection. Wiley, p. 57.

Examples

attach(primates)
plot(x=Bodywt, y=Brainwt, pch=16,
       xlab="Body weight (kg)", ylab="Brain weight (g)",
       xlim=c(5,300), ylim=c(0,1500))
chw <- par()$cxy[1]
chh <- par()$cxy[2]
text(x=Bodywt+chw, y=Brainwt+c(-.1,0,0,.1,0)*chh,
       labels=row.names(primates), adj=0)
detach(primates)