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mets (version 0.1-12)

twinsim: Simulate twin data

Description

Simulate twin data from a linear normal ACE/ADE/AE model.

Usage

twinsim(nMZ = 100, nDZ = nMZ, b1 = c(), b2 = c(), mu = 0,
    acde = c(1, 1, 0, 1), randomslope = NULL,
    threshold = 0, cens = FALSE, wide = FALSE, ...)

Arguments

nMZ
Number of monozygotic twin pairs
nDZ
Number of dizygotic twin pairs
b1
Effect of covariates (labelled x1,x2,...) of type 1. One distinct covariate value for each twin/individual.
b2
Effect of covariates (labelled g1,g2,...) of type 2. One covariate value for each twin pair.
mu
Intercept parameter.
acde
Variance of random effects (in the order A,C,D,E)
randomslope
Logical indicating wether to include random slopes of the variance components w.r.t. x1,x2,...
threshold
Treshold used to define binary outcome y0
cens
Logical variable indicating whether to censor outcome
wide
Logical indicating if wide data format should be returned
...
Additional arguments parsed on to lower-level functions

See Also

twinlm