surdata {ggm}

A simulated data set

Description

Simulated data following a seemingly unrelated regression model.

Usage

data(surdata)

Format

A data frame with 600 observations on the following 4 variables.

A

a numeric response vector

B

a numeric response vector

X

a numeric vector

Z

a numeric vector with codes 1 and -1 for a binary variables.

Examples

data(surdata)
pairs(surdata)