Twin {BSDA}R Documentation

Intelligence test scores for identical twins in which one twin is given a drug

Description

Data for Exercise 7.54

Usage

Twin

Format

A data frame with 9 observations on the following 3 variables.

TwinA
a numeric vector
TwinB
a numeric vector
differ
a numeric vector

Source

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

Examples

str(Twin)
attach(Twin)
qqnorm(differ)
qqline(differ)
shapiro.test(differ)
t.test(TwinA,TwinB,paired=TRUE)
detach(Twin)

[Package BSDA version 0.1 Index]