Nothing
hzbeta <-
function(u,obj,weight=rep(1,dim(u)[1])){
x <- obj[["par"]]
xname <- deparse(substitute(x))
shape1 <- x[1]
scale <- obj[["scale"]]
z <- (u/scale)^shape1
z <- z/rowSums(z)
names(z) <- names(u)
D <- dim(u)[2]
N <- dim(u)[1]
npar <- length(x)
n1 <- npar-D+1
pvec <- x[n1:npar]
Ptot <- sum(pvec)
for (i in 1:D){
zi <- z[,i]
sw <- weight[order(zi)]
cw <- cumsum(sw)
xmin <- min(zi)
xmax <- max(zi)
quant <- c("st","nd")
if (D>2) quant <- c("st","nd","rd", rep("th",(D-3)))
xx <- xmin + (1:99)*(xmax-xmin)/100
yy <- dbeta(xx,pvec[i],Ptot-pvec[i])
hi <- hist(zi,plot=FALSE)
counts <- c(cw[hi[["counts"]][1]],diff(cw[cumsum(hi[["counts"]])]))
cumsum(hi[["counts"]])
density <- counts/(sum(counts)*diff(hi[["breaks"]]))
hi[["counts"]] <- counts
hi[["density"]] <- density
hi[["xname"]] <- xname
plot(hi,freq=FALSE,xlim=range(xx), xlab=paste(i,quant[i],"component of z"),main=names(z)[i],
ylim=c(0,max(c(hi$density,yy))),ylab="Beta density")
lines(xx, yy,lwd=2,col="blue")
}
invisible(hi)
}
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