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dibivar = function(x, y, par, afa, rodina, fam){
# require(copula)
nx = length(x)
ny = length(y)
dxy = array(0,c(ny, nx))
colnames(dxy) = x
rownames(dxy) = y
if(rodina[1]=="weibull"){
ux = pweibull(x, shape=par[1], scale=par[2])
dux = dweibull(x, shape=par[1], scale=par[2])
} else if(rodina[1]=="gamma"){
ux = pgamma(x, shape=par[1], scale=par[2])
dux = dgamma(x, shape=par[1], scale=par[2])
} else if(rodina[1]=="lnorm"){
ux = plnorm(x, meanlog=par[1], sdlog=par[2])
dux = dlnorm(x, meanlog=par[1], sdlog=par[2])
} else {
# rodina[1]=="norm
ux = pnorm(x, mean=par[1], sd=par[2])
dux = dnorm(x, mean=par[1], sd=par[2])
}
if(rodina[2]=="weibull"){
vy = pweibull(y, shape=par[3], scale=par[4])
dvy = dweibull(y, shape=par[3], scale=par[4])
} else if(rodina[2]=="gamma"){
vy = pgamma(y, shape=par[3], scale=par[4])
dvy = dgamma(y, shape=par[3], scale=par[4])
} else if(rodina[2]=="lnorm"){
vy = plnorm(y, meanlog=par[3], sdlog=par[4])
dvy = dlnorm(y, meanlog=par[3], sdlog=par[4])
} else {
# rodina[2]=="norm
vy = pnorm(y, mean=par[3], sd=par[4])
dvy = dnorm(y, mean=par[3], sd=par[4])
}
#oooooooooooooooooooooooooooooooooo
kop = archmCopula(fam, afa, dim = 2)
cxy = array(0,c(ny, nx))
for(i in 1:nx){
yx = cbind(vy,rep(ux[i],ny))
cxy[, i] = dCopula(yx, kop)
}
#oooooooooooooooooooooooooooooooooo
for(i in 1:nx){
for(j in 1:ny){
dxy[j, i] = cxy[j, i]*dvy[j]*dux[i]
}
}
return(dxy)
}
#=======================================
pibivar = function(x, y, par, afa, rodina, fam){
# require(copula)
nx = length(x)
ny = length(y)
pxy = array(0,c(ny, nx))
colnames(pxy) = x
rownames(pxy) = y
if(rodina[1]=="weibull") ux = pweibull(x, shape=par[1], scale=par[2]) else {
if(rodina[1]=="gamma") ux = pgamma(x, shape=par[1], scale=par[2]) else {
if(rodina[1]=="lnorm") ux = plnorm(x, meanlog=par[1], sdlog=par[2]) else {
# rodina[1]=="norm"
ux = pnorm(x, mean=par[1], sd=par[2])
}}}
#=============================
if(rodina[2]=="weibull") vy = pweibull(y, shape=par[3], scale=par[4]) else {
if(rodina[2]=="gamma") vy = pgamma(y, shape=par[3], scale=par[4]) else {
if(rodina[2]=="lnorm") vy = plnorm(y, meanlog=par[3], sdlog=par[4]) else {
# rodina[2]=="norm"
vy = pnorm(y, mean=par[3], sd=par[4])
}}}
#oooooooooooooooooooooooooooooooooo
kop = archmCopula(fam, afa, 2)
pxy = array(0,c(ny, nx))
for(i in 1:nx){
yx = cbind(vy,rep(ux[i],ny))
pxy[, i] = pCopula(yx, kop)
}
#oooooooooooooooooooooooooooooooooo
return(pxy)
}
#=========================================
subivar = function(x, y, par, afa, rodina, fam){
# require(copula)
nx = length(x)
ny = length(y)
sxy = array(0,c(ny, nx))
colnames(sxy) = x
rownames(sxy) = y
if(rodina[1]=="weibull") ux = pweibull(x, shape=par[1], scale=par[2], lower.tail=FALSE) else {
if(rodina[1]=="gamma") ux = pgamma(x, shape=par[1], scale=par[2], lower.tail=FALSE) else {
if(rodina[1]=="lnorm") ux = plnorm(x, meanlog=par[1], sdlog=par[2], lower.tail=FALSE) else {
# rodina[1]=="norm"
ux = pnorm(x, mean=par[1], sd=par[2], lower.tail=FALSE)
}}}
if(rodina[2]=="weibull") vy = pweibull(y, shape=par[3], scale=par[4], lower.tail=FALSE) else {
if(rodina[2]=="gamma") vy = pgamma(y, shape=par[3], scale=par[4], lower.tail=FALSE) else {
if(rodina[2]=="lnorm") vy = plnorm(y, meanlog=par[3], sdlog=par[4], lower.tail=FALSE) else {
# rodina[2]=="norm"
vy = pnorm(y, mean=par[3], sd=par[4], lower.tail=FALSE)
}}}
#oooooooooooooooooooooooooooooooooo
kop = archmCopula(fam, afa, 2)
sxy = array(0,c(ny, nx))
for(i in 1:nx){
yx = cbind(vy,rep(ux[i],ny))
sxy[, i] = pCopula(yx, kop)
}
#oooooooooooooooooooooooooooooooooo
return(sxy)
}
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