Data set used in some of OpenMx's examples.
A data frame with 3808 observations on the following variables.
Family ID variable
Age of the twin pair. Range: 17 to 88, coded as factor
Integer codes for zygosity and gender combinations
Weight in kilograms for twin 1 (this and following have "." embedded as NA...)
Weight in kilograms for twin 2
Height in meters for twin 1
Height in meters for twin 2
Product of ht and wt for twin 1
Product of ht and wt for twin 2
Body Mass Index for twin 1
Body Mass Index for twin 2
Same as myTwinData but has . as the missing data value instead of NA.
The OpenMx User's guide can be found at http://openmx.ssri.psu.edu/documentation.
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