Displaying 1 result from an estimated 1 matches for "illegalpar".
2009 Aug 17
2
Newbie that don't understand R code
I got some R code that I don't understand.
Question as comment in code
//where is t comming from, what is phi inverse
rAC <- function(name, n, d, theta){
#generic function for Archimedean copula simulation
illegalpar <- switch(name,
clayton = (theta < 0),
gumbel = (theta < 1),
frank = (theta < 0),
BB9 = ((theta[1] < 1) | (theta[2] < 0)),
GIG = ((theta[2] < 0) | (theta[3] < 0) | ((theta[1]>0) & (theta[3]==0)) |
((theta[1]<0) & (theta[2]==0))))
if(illegalpar)
stop("Illeg...