Nothing
plotlinearpool <-
function(fit, xl, xu, ql = NA, qu = NA, d = "best", ind = T, w = 1){
n.experts <- nrow(fit$vals)
x <- matrix(0, 200, n.experts)
fx <- x
if(min(w)<0 | max(w)<=0){stop("expert weights must be non-negative, and at least one weight must be greater than 0.")}
if(length(w)==1){
w <- rep(w, n.experts)
}
weight <- matrix(w/sum(w), 200, n.experts, byrow = T)
for(i in 1:n.experts){
densitydata <- expertdensity(fit, d, ex = i, xl, xu)
x[,i] <- densitydata$x
fx[,i] <-densitydata$fx
}
fx.lp <- apply(fx*weight,1,sum)
par(ps=15)
par(mar = c(5.1, 5.1, 4.1, 2.1))
plot(x[,1], fx.lp, type = "l", lwd = 4, xlab = "x", ylab = expression(f[X](x)), xlim = c(min(x), max(x)), ylim = c(min(fx), max(fx)), col="red")
if(ind == T){
for(i in 1:n.experts){
lines(x[,i], fx[,i], lwd = 2, lty = 2)
}
xmax <- x[fx==max(fx)]
if(xmax[1] < mean (c(xl,xu))){
legend("topright", legend=c("individual", "pooled"), lty=c(2,1), lwd=c(2,4), col = c(1,2))}else{
legend("topleft", legend=c("individual", "pooled"), lty=c(2,1), lwd=c(2,4), col = c(1,2)) }
}
if(is.na(ql) == F){
x.q1 <- qlinearpool(fit, ql, d, w)
if(x.q1 > xl){
x1 <-seq(from = xl, to = x.q1 , length = ceiling((x.q1-xl)/(xu - xl)*200))
lines(x1, approx(x = x[,1], y = fx.lp, xout = x1)$y, type="h", col = "red" )
}
}
if(is.na(qu) == F){
x.q2 <- qlinearpool(fit, qu, d, w)
if(x.q2 < xu){
x2<-seq(from = x.q2, to = xu, length = ceiling((xu - x.q2)/(xu - xl)*200))
lines(x2, approx(x = x[,1], y = fx.lp, xout = x2)$y , type="h", col = "red" )
}
}
}
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