R/qgev.R

In tpetzoldt/FAdist: Distributions that are Sometimes Used in Hydrology

Defines functions qgev

Documented in qgev

qgev <-
function(p,shape=1,scale=1,location=0,lower.tail=TRUE,log.p=FALSE)
{
	if(log.p) p <- exp(p)
	if(!lower.tail) p <- 1 - p

  xF <- location + scale/shape * ((-log(p))^(-shape) - 1)

	return(xF)
}