# R/CompoundAuxDensPlot.r In GB2: Generalized Beta Distribution of the Second Kind: Properties, Likelihood, Estimation

```dplot.cavgb2 <- function(group,x,shape1, scale, shape2, shape3, pl0, pl, w=rep(1,length(x)),
xmax = max(x)*(2/3), ymax=2e-05, decomp="r", choicecol=1:length(levels(group)),xlab=""){
par(mfrow=c(2,1))
K <- length(levels(group))
L <- length(pl0)
error <- "FALSE"
for (k in 1:K){
dPk <- length(unique(pl[group==levels(group)[k]]))
if (dPk>L){
error <- "TRUE"
warning("the estimated probabilities are not uniquely defined for group ", levels(group)[k])
}
}
if (error) return()
for (k in 1:K){
pk <- as.vector( unique(pl[group==levels(group)[k],]))
fk <- function(x) dcgb2(x,shape1, scale, shape2, shape3,pl0,pk,decomp=decomp)
sub=paste("pl0 = (",round(pl0[1],3))
pl1 <- length(pl0)-1
if (pl1 >= 2){
for (i in 2:pl1) {
sub <- paste(sub,",", round(pl0[i],3))
}
}
sub <- paste(sub,",",round(pl0[pl1+1],3),")")
#    xmax <- max(x)*2/3                                # change 28.04.2014

if (k==1){
curve(fk,col=choicecol[k],from=0,to=xmax,lwd=2,ylab="Density",xlab=xlab,
main="Compound densities per group",  ylim=c(0,ymax))
}
else {
}
}

#  print("Please, place the cursor for the legend",quote = FALSE)           # change 2014-05-19
legend("topright",levels(group), lwd=2,col=choicecol,lty=1:K)           # change 2014-05-19

# empirical counterparts
for (k in 1:K){
rdk <- x[group==levels(group)[k]]
wk <- w[group==levels(group)[k]]
wk <- wk/sum(wk)
densk <- density(rdk,weights=wk,kernel="epanechnikov")
if (k==1){
plot(densk,col=choicecol[k],lwd=2,main="Kernel density estimate per group",
xlab=xlab,xlim=c(0,xmax), ylim=c(0,ymax))
}
else { lines(densk,col=choicecol[k],lwd=2,lty=k)

}
}
par(mfrow=c(1,1))
}
```

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GB2 documentation built on May 2, 2019, 5:53 a.m.