Description Usage Arguments Details Value References See Also Examples
Bivariate copula cdfs and densities, for parametric families Log of copula densities.
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u |
value in interval 0,1; could be a vector |
v |
value in interval 0,1; could be a vector |
cpar |
copula parameter: could be scalar or vector depending on the copula family, could be a matrix with m columns if copula family has m parameters. |
Choices are 'cop' in pcop and dcop are bvncop, bvtcop, pla, frk, mtcj, mtcjr (reflected mtcj), joe, gum, gumr, gal, hr, fgm, bMO, tev, bb1, bb1r, bb2, bb3, bb4, bb4r, bb5, bb6, bb7, bb7r, bb8, bb9, bb10, ipsA, ipsAr, imitlefA, imitlefAr, etc. Use dbvncop and dbvtcop for the bivariate normal and t copula densities. Note that pbvtcop assumes that the degree of freedom parameter is a positive integer.
The bounds for the copula parameter(s) are in the source R files, or can get obtained from the function cparbound(). The copula names are abbreviations for:
bvn = bivariate normal or Gaussian
bvt = bivariate t
pla = Plackett
frk = Frank
mtcj = Mardia-Takahasi-Clayton-Cook-Johnson
joe = Joe/B5
gum = Gumbel
gal = Galambos
hr = Huesler-Reiss
fgm = Farlie-Gumbel-Morgenstern
bMO = bivariate Marshall-Olkin (cdf only, it has not absolutely continuous)
basymgum1 = bivariate asymmetric Gumber with one skew parameter (cdf only)
tev = t-EV = extreme value limit of bivariate t
bb1 = BB1 etc
ipsA = Archimedean based on integrated positive stable LT
imitlefA = Archimedean based on integrated Mittag-Leffler LT
Choices are 'cop' in logdcop are pla, frk, mtcj, mtcjr, joe, gum, gal, hr, fgm, bvncop, bvtcop, bb1, bb1r, bb7, ipsA, ipsAr. These are included if it is more efficient to code logdcop directly, Otherwise create your own function from log of the appropriate dcop function. Another possibility is to write dcop functions with log=T option.
cdf or pdf or log pdf value(s)
Joe H (1997). Multivariate Models and Dependence Concepts. Chapman & Hall.
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