On Mar 13, 2010, at 12:01 PM, Daniel Murphy wrote:
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?
I don't get anything that looks very interesting as far as a graph,
but at least I do not get an error when I first require
package:emdbook and then require package:copula and then run your
code, which i suspect is faulty on a semantic level.
--
David.
Thanks,
Dan
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David Winsemius, MD
West Hartford, CT
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