Solved: Re: QQ plot x-axis values

[Paul Matthias Diderichsen <paulmatthias.diderichsen@abbott.com>]

Dear Timothy and Stephen,

s-news-owner@lists.biostat.wustl.edu wrote on 11.10.2006
01:37:36:
> > There seems to be a discrepancy 
> > between what wikipedia says and what S-plus does.
Tim:
> > S-plus appears to be using the formula (k-0.375)/(n+0.25)
that is
> > advocated elsewhere on the internet. See
> > http://www.tau.ac.il/cc/pages/docs/sas8/stat/chap55/sect44.htm
> > http://www.okstate.edu/sas/v8/saspdf/qc/chap10.pdf#search=%
> 22construction%20of%20q-q%20plot%22
Stephen:
> By default, S-PLUS uses the f(i) = (i-0.5)/n
formula.  This is described
> in Cleveland, W. (1993) Visualizing Data

Thanks a lot guys, for helping me out!

Kind regards, PMD.
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