moCopula | R Documentation |
Computes Marshall-Olkin copulas in the bivariate case.
moCopula(param = NA_real_, dim = 2L)
param |
|
dim |
the dimension of the copula. |
moCopula()
is the constructor for objects of class
moCopula
.
Marshall-Olkin copulas are only implemented for dim = 2L
.
The "moCopula"
class, its mathematical
definition, etc.
alpha <- c(0.2, 0.7)
MO <- moCopula(alpha)
tau(MO) # 0.18
lambda(MO)
stopifnot(all.equal(lambda(MO),
c(lower = 0, upper = 0.2)))
wireframe2 (MO, FUN = pCopula) # if you look carefully, you can see the kink
contourplot2(MO, FUN = pCopula)
set.seed(271)
plot(rCopula(1000, MO))
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