matlib (version 0.6.0)

therapy: Therapy Data

Description

A toy data set on outcome in therapy in relation to a personality test (perstest) and a scale of internal-external locus of control (IE) used to illustrate linear and multiple regression.

Usage

data("therapy")

Examples

data(therapy)
plot(therapy ~ perstest, data=therapy, pch=16)
abline(lm(therapy ~ perstest, data=therapy), col="red")

plot(therapy ~ perstest, data=therapy, cex=1.5, pch=16, 
	col=ifelse(sex=="M", "red","blue"))