OpenMx (version 2.6.9)

twin_NA_dot: Twin data on weight and height

Description

Data set used in some of OpenMx's examples.

Usage

data("twin_NA_dot")

Format

A data frame with 3808 observations on the following variables.

Source

Timothy Bates

Details

Same as myTwinData but has . as the missing data value instead of NA.

References

The OpenMx User's guide can be found at http://openmx.psyc.virginia.edu/documentation.

Examples

data(twin_NA_dot)
summary(twin_NA_dot)
# Note that all variables are treated as factors because of the missing data coding.