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qdev
2006 Dec 13
2
persp() problem
Dear list,
I have a problem on persp()
x <- u1data #first coloum in attached data
y <- u2data #second coloum in attached data
f <- function(x,y){qgev(pnorm(rhoF*qnorm(pnorm((qnorm(y)-rho2*qnorm(x)/sqrt(1-rho2^2))))
+sqrt(1-rhoF^2)*qnorm(0.95)),-0.3935119, 0.4227890,
0.2701648)}
z <- outer(x,y,f)
persp(x,y,z)
The R will display:
"Error in persp.default(x, y, z) : increasing 'x' and 'y' values expected&...