Simulate twin data
Simulate twin data from a linear normal ACE/ADE/AE model.
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, ... )
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 |
Klaus K. Holst
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