rPrior | R Documentation |
Sampling from a prior distribution.
rPrior(n, copula, qmargins = qnorm, method = c("pseudo", "sobol"), ...)
n |
sample size, a positive |
copula |
object of |
qmargins |
marginal quantile |
method |
|
... |
additional arguments passed to |
(n, dim(copula))
-matrix
of samples.
Marius Hofert
library(gnn) # for being standalone
n <- 5
d <- 3
library(copula)
cop <- claytonCopula(2, dim = d)
X1 <- rPrior(n, copula = cop) # Clayton copula and N(0,1) margins
X2 <- rPrior(n, copula = cop, qmargins = qexp) # Exp(1) margins
X3 <- rPrior(n, copula = cop, qmargins = qexp, method = "sobol", seed = 271)
stopifnot(dim(X1) == c(n, d), dim(X2) == c(n, d), dim(X3) == c(n, d))
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