Nothing
"gEVcop" <- function(u,v, para=NULL, ...) {
if(is.null(para)) {
warning("no parameters, NULL")
}
if(length(para) == 1) {
if(para[1] < 0 | para[1] > +1) {
warning("Parameter not in 0 <= rho <= +1")
}
} else {
warning("Parameter rho must be given")
return(NULL)
}
if(length(u) > 1 & length(v) > 1 & length(u) != length(v)) {
warning("length u = ", length(u), " and length v = ", length(v))
warning("longer object length is not a multiple of shorter object length, ",
"no recycling")
return(NA)
}
if(length(u) == 1) {
u <- rep(u, length(v))
} else if(length(v) == 1) {
v <- rep(v, length(u))
}
"A.gEV" <- function(x,y, rho) {
a <- x/(x+y)
A <- (x+y-2*rho*sqrt(x*y))/(1-rho^2)
r1 <- rho^2/(1+rho^2); r2 <- 1/(1+rho^2)
t1 <- (0 <= a & a <= r1)
t2 <- (r1 < a & a <= r2)
t3 <- (r2 < a & a <= 1 )
A[a < 0] <- NA
A[t1] <- y[t1]
A[t3] <- x[t3]
A[a > 1] <- NA
return(A)
}
return(exp(-A.gEV(-log(u), -log(v), para[1])))
}
#https://doi.org/10.1016/j.advwatres.2006.08.001
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.