Nothing
cdf.plot <-
function(z)
{
plot(z$x.info[,'z'],z$x.info[,'Emp'],xlab='Sorted observations',las=2,cex.axis=.8,ylab='Cumulative distribution function',
type='n')
lines(z$x.info[,'z'],z$x.info[,'Fz'],col='red')
points(z$x.info[,'z'],z$x.info[,'Emp'],cex=.5,pch=19)
}
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