twindata: Twin menarche data
Description
Simulated data
rll{
id numeric Twin-pair id
zyg character Zygosity (MZ or DZ)
twinnum numeric Twin number (1 or 2)
agemena numeric Age at menarche (or censoring)
status logical Censoring status (observed:=T,censored:=F)
bw numeric Birth weight
msmoke numeric Did mother smoke? (yes:=1,no:=0)
}format
data.framesource
Simulated