library(manipulate) # RStudio is required
# Beta
x <- seq(0, 1, by=0.01)
manipulate(
{ ci <- qprop(c(0.05, .5, 0.95), size, mean)
plot(x, dprop(x, size, mean),
col="blue", lwd=2, type="l", las=1, bty="n",
ylab="density", xlab="", ylim=c(0, 12),
main="Beta distribution")
box()
mtext(paste(c("95% CI:", round(ci, 2)),
collapse=" "), cex=0.8, side=3)
if (printci) abline(v=ci, lty=c(3,2,3))
},
size=slider(0.001, 100, step=0.001, initial=100),
mean=slider(0, 1, step=0.001, initial=0.5),
printci=checkbox(TRUE, "Show 95% CI"))
# GEV
x <- seq(-5, 5, by=0.01)
manipulate(
{ ci <- qgev(c(0.05, .5, 0.95), mu, sigma, xi)
plot(x, dgev(x, mu, sigma, xi),
col="blue", lwd=2, type="l", las=1, bty="n",
ylab="density", xlab="", ylim=c(0, 2),
main="GEV distribution")
box()
mtext(paste(c("95% CI:", round(ci, 2)),
collapse=" "), cex=0.8, side=3)
if (printci) abline(v=ci, lty=c(3,2,3))
},
mu=slider(-2, 2, step=0.001, initial=0),
sigma=slider(0.001, 5, step=0.001, initial=1),
xi=slider(-2, 2, step=0.001, initial=0),
printci=checkbox(TRUE, "Show 95% CI"))
x <- seq(-5, 5, by=0.01)
manipulate(
{ ci <- qgev(c(0.05, .5, 0.95), mu, sigma, xi)
plot(x, pgev(x, mu, sigma, xi),
col="blue", lwd=2, type="l", las=1, bty="n",
ylab="density", xlab="", ylim=c(0, 1),
main="GEV distribution")
box()
mtext(paste(c("95% CI:", round(ci, 2)),
collapse=" "), cex=0.8, side=3)
if (printci) abline(v=ci, lty=c(3,2,3))
},
mu=slider(-2, 2, step=0.001, initial=0),
sigma=slider(0.001, 5, step=0.001, initial=1),
xi=slider(-2, 2, step=0.001, initial=0),
printci=checkbox(TRUE, "Show 95% CI"))
# GPD
x <- seq(-5, 5, by=0.01)
manipulate(
{ ci <- qgpd(c(0.05, .5, 0.95), mu, sigma, xi)
plot(x, dgpd(x, mu, sigma, xi),
col="blue", lwd=2, type="l", las=1, bty="n",
ylab="density", xlab="", ylim=c(0, 2),
main="GPD distribution")
box()
mtext(paste(c("95% CI:", round(ci, 2)),
collapse=" "), cex=0.8, side=3)
if (printci) abline(v=ci, lty=c(3,2,3))
},
mu=slider(-2, 2, step=0.001, initial=0),
sigma=slider(0.001, 5, step=0.001, initial=1),
xi=slider(-2, 2, step=0.001, initial=0),
printci=checkbox(TRUE, "Show 95% CI"))
x <- seq(-5, 5, by=0.01)
manipulate(
{ ci <- qgpd(c(0.05, .5, 0.95), mu, sigma, xi)
plot(x, pgpd(x, mu, sigma, xi),
col="blue", lwd=2, type="l", las=1, bty="n",
ylab="density", xlab="", ylim=c(0, 1),
main="GPD distribution")
box()
mtext(paste(c("95% CI:", round(ci, 2)),
collapse=" "), cex=0.8, side=3)
if (printci) abline(v=ci, lty=c(3,2,3))
},
mu=slider(-2, 2, step=0.001, initial=0),
sigma=slider(0.001, 5, step=0.001, initial=1),
xi=slider(-2, 2, step=0.001, initial=0),
printci=checkbox(TRUE, "Show 95% CI"))
# Inverse Gamma
manipulate({
q <- qinvgamma(c(0.05, .5, 0.95, 0.99), alpha, beta)
x <- seq(0, q[4], length.out=5000)
u <- rinvgamma(50000, alpha, beta)
d <- dinvgamma(x, alpha, beta)
mxd <- max(d)
hist(u, 1000, freq=FALSE, col='darkgrey', border='darkgrey',
xlim=c(0, q[4]), ylim=c(0, mxd+0.1*mxd),
main="Inverse Gamma distribution", las=1, bty="n")
lines(x, d, col='blue', lwd=2, type="l")
box()
mtext(paste(c("95% CI:", round(q[1:3], 2)),
collapse=" "), cex=0.8, side=3)
},
alpha=slider(0.01, 10, step=0.001, initial=1),
beta=slider(0.01, 5, step=0.001, initial=1))
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