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Following the course of this afternoon, I will just upload some codes to make interactive 3d plots, in R.
> library(rgl) > library(evd); > data(lossalae) > U=rank(lossalae[,1]+rnorm(nrow(lossalae), + mean=0,sd=.001))/(nrow(lossalae)+1) > V=rank(lossalae[,2])/(nrow(lossalae)+1) > M=kde2d(qnorm(U),qnorm(V),n=35) > library(rgl) > persp3d(M$x,M$y,M$z,col='green', + xlab="loss",ylab="alae",zlab="")
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