I am using curve3d in the emdbook package to graph a gaussian copula density
function generated via the copula package. Unfortunately, it appears that
emdbook masks dmvnorm from the package mvtnorm in a way that prohibits
copula from generating the gaussian copula. (Sounds very confusing!) For
example,
> library(copula)
> f<-function(x,y) dcopula(normalCopula(0),c(x,y))
> library(emdbook)
> curve3d(f)
Error in dmvnorm(x, sigma = sigma) : unused argument(s) (sigma = sigma)

Is there no way for me to use those two libraries together?

Thanks,

Dan

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