ACEt (version 1.3)

ACEt-package: Estimating Age Modification Effect on Genetic and Environmental Variance Components in Twin Models

Description

The package implements two novel twin models that are able to estimate dynamic behaviour of the variance components in the classical twin models with respect to age or other covariates such as calendar year.

Details

ll{ Package: ACEt Type: Package Version: 1.3 Date: 2016-02-06 License: GPL }

References

Liang He, Mikko J. Sillanp��, Karri Silventoinen, Jaakko Kaprio, Janne Pitk�niemi, Estimating modifying effect of age on genetic and environmental variance components in twin models. Genetics, 2016

Examples

# data(data_ace)

# AtCtEt(data_ace$mz, data_ace$dz, model=c('d','d','c'), knot_a = 5, knot_c = 4)
# AtCtEp(data_ace$mz, data_ace$dz, knot_a = 8, knot_c = 7)