plotBeta: Plot a beta density

In dkahle/bayesRates: Two-Sample Tests and Sample Size Determination from a Bayesian Perspective

Description

Plot a beta density

Usage

plotBeta(alpha, beta, n = 251, ...)

Arguments

alpha	the beta's alpha parameter
beta	the beta's beta parameter
n	number of points to plot
...	...

Details

plotBeta creates a basic ggplot which can be styled.

Value

a ggplot object

Author(s)

David Kahle [e-mail]

Examples

## Not run: 

plotBeta(1, 1)
plotBeta(.5, .5)
plotBeta(2, 2)
plotBeta(2, 2:3)

# nonuniqueness of modes
plotBeta(4.5, 7.5) + ylim(0, 3)
plotBeta(1.12, 1.22) + ylim(0, 3)
plotBeta(c(4.5, 1.12), c(7.5, 1.22)) + ylim(0, 3)


plotBeta(.5, .5) + theme_bw()
plotBeta(.5, .5) + theme_classic()

theme_set(theme_bw())
plotBeta(.5, .5) + labs(x = "theta", y = "")
plotBeta(.5, .5) + ggtitle("my plot")
plotBeta(.5, .5) + labs(x = expression(theta[1]), y = "belief")
plotBeta(.5, .5) + labs(x = expression(paste(theta[1], "= 5")), y = "belief")
plotBeta(.5, .5) + labs(x = expression(paste(theta[1], "= ", 5)), y = "belief")


## End(Not run)

dkahle/bayesRates documentation built on May 15, 2019, 9:07 a.m.