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R
OpenMx

myTwinData_data

Duplicate of twinData

Description

Legacy dataset from early teaching examples. See twinData for a more current file.

Usage

data("myTwinData")

Format

A data frame with 3808 observations on the following variables.

fam

Family ID variable

age

Age of the twin pair. Range: 17 to 88.

zyg

Integer codes for zygosity and gender combinations

part

Cohort

wt1

Weight in kilograms for twin 1

wt2

Weight in kilograms for twin 2

ht1

Height in meters for twin 1

ht2

Height in meters for twin 2

htwt1

Product of ht and wt for twin 1

htwt2

Product of ht and wt for twin 2

bmi1

Body Mass Index for twin 1

bmi2

Body Mass Index for twin 2

Details

Height and weight are highly correlated, and each individually highly heritable. These data present and opportunity for multivariate behavior genetics modeling.

Source

Timothy Bates

References

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

Examples

data(myTwinData)

plot( ht1 ~ wt1, myTwinData)
OpenMx

Extended Structural Equation Modelling

v2.19.5
Apache License (== 2.0)
Authors
Steven M. Boker [aut], Michael C. Neale [aut], Hermine H. Maes [aut], Michael J. Wilde [ctb], Michael Spiegel [aut], Timothy R. Brick [aut], Ryne Estabrook [aut], Timothy C. Bates [aut], Paras Mehta [ctb], Timo von Oertzen [ctb], Ross J. Gore [aut], Michael D. Hunter [aut], Daniel C. Hackett [ctb], Julian Karch [ctb], Andreas M. Brandmaier [ctb], Joshua N. Pritikin [aut, cre], Mahsa Zahery [aut], Robert M. Kirkpatrick [aut], Yang Wang [ctb], Ben Goodrich [ctb], Charles Driver [ctb], Massachusetts Institute of Technology [cph], S. G. Johnson [cph], Association for Computing Machinery [cph], Dieter Kraft [cph], Stefan Wilhelm [cph], Sarah Medland [cph], Carl F. Falk [cph], Matt Keller [cph], Manjunath B G [cph], The Regents of the University of California [cph], Lester Ingber [cph], Wong Shao Voon [cph], Juan Palacios [cph], Jiang Yang [cph], Gael Guennebaud [cph], Jitse Niesen [cph]
Initial release
2021-03-26

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