pRevGumbel

0th

Percentile

"Reverse" Gumbel Distribution Functions

Density, distribution function, quantile function and random generation for the “Reverse” Gumbel distribution with parameters location and scale.

Keywords
distribution
Usage
dRevGumbel (x, location = 0, scale = 1) pRevGumbel (q, location = 0, scale = 1) qRevGumbel (p, location = 0, scale = 1) rRevGumbel (n, location = 0, scale = 1)
qRevGumbelExp(p)
Arguments
x, q
numeric vector of abscissa (or quantile) values at which to evaluate the density or distribution function.
p
numeric vector of probabilities at which to evaluate the quantile function.
location
location of the distribution
scale
scale ($> 0$) of the distribution.
n
number of random variates, i.e., length of resulting vector of rRevGumbel(..).
Value

a numeric vector, of the same length as x, q, or p for the first three functions, and of length n for rRevGumbel().

See Also

the Weibull distribution functions in R's stats package.

Aliases
  • dRevGumbel
  • pRevGumbel
  • qRevGumbel
  • qRevGumbelExp
  • rRevGumbel
Examples
curve(pRevGumbel(x, scale= 1/2), -3,2, n=1001, col=1, lwd=2,
      main = "RevGumbel(x, scale = 1/2)")
abline(h=0:1, v = 0, lty=3, col = "gray30")
curve(dRevGumbel(x, scale= 1/2),       n=1001, add=TRUE,
      col = (col.d <- adjustcolor(2, 0.5)), lwd=3)
legend("left", c("cdf","pdf"), col=c("black", col.d), lwd=2:3, bty="n")

med <- qRevGumbel(0.5, scale=1/2)
cat("The median is:",  format(med),"\n")
Documentation reproduced from package DescTools, version 0.99.19, License: GPL (>= 2)

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