Burt's IQ data for twins

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Description

IQ data of Burt on identical twins that were separated near birth.

Usage

1

Format

A data frame with 27 observations on the following 3 variables.

Foster

IQ for twin raised with foster parents

Biological

IQ for twin raised with biological parents

Social

Social status of biological parents

Source

This data comes from the R package that accompanies Julian Faraway's notes Practical Regression and Anova in R (now a book).

Examples

1
2
data(twins)
plot(Foster ~ Biological, twins)

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