Brain {BSDA}R Documentation

Brain weight versus body weight of 28 animals

Description

Data for Exercises 2.15, 2.44, 2.58 and Examples 2.3 and 2.20

Usage

Brain

Format

A data frame with 28 observations on the following 5 variables.

Species
a factor with levels Africian elephant Asian Elephant Brachiosaurus Cat Chimpanzee Cow Diplodocus Donkey Giraffe Goat Gorilla Gray wolf Guinea Pig Hamster Horse Human Jaguar Kangaroo Mole Mouse Mt Beaver Pig Potar monkey Rabbit Rat Rhesus monkey Sheep Triceratops
body.wt
a numeric vector
brain.wt
a numeric vector
logbody
a numeric vector
logbrain
a numeric vector

Source

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Duxbury

Examples

str(Brain)
attach(Brain)
plot(logbody,logbrain,pch=19,col="blue",main="Example 2.3")
model <- lm(logbrain~logbody)
abline(model)
detach(Brain)

[Package BSDA version 0.1 Index]