R: Data for ordinal twin model

ordinalTwinData {OpenMx} | R Documentation

## Data for ordinal twin model

### Description

Example data for ordinal twin-data modelling. Three variables measured in each twin.

### Usage

    data("ordinalTwinData")

### Format

A data frame with 139 observations on the following 7 variables.

`zyg`

  a numeric vector

`var1_twin1`

  a numeric vector

`var2_twin1`

  a numeric vector

`var3_twin1`

  a numeric vector

`var1_twin2`

  a numeric vector

`var2_twin2`

  a numeric vector

`var3_twin2`

  a numeric vector

### Examples

    data(ordinalTwinData)
    str(ordinalTwinData)

[Package OpenMx version 2.11.4 Index]