Nothing
varz <-
function(vlz,z){
# varz() - variance of z given variance of logz
# vz <- z * z *(exp(vlz) - 1)
p <- exp(vlz)
if(!is.na(p)){
if(p < 1) {
vz <- z * z * p
}
else {
vz <- z * z * (p - 1)
}
}
else {
vz <- NA
}
return(vz)
}
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