[R] references for qqnorm

Uwe Ligges ligges at statistik.uni-dortmund.de
Thu May 23 23:01:28 CEST 2002

Erin Hodgess wrote:
> Dear R People:
> On the functions qqnorm and qqline, (found in the base package),
> what are the references, please?
> This is R for Windows, Version 1.4.1.

To refer to the functions themselves, I'd suggest to cite the R
Reference Manual (collection of help pages):
"The R Environment for Statistical Computing and Graphics".
BTW 1: The recent version (included in R-1.5.0) got also an ISBN number,
as well as the other manuals.
BTW 2: Citing  R&R (1996 ?): "R: A Language for Data Analysis and
Graphics" (in JCGS) is never a bad idea. ;-)

To the underlying methods ... you will find it in almost every
statistical basics textbook. I would cite one of those, if there is
really need to cite a standard method like a quantile-quantile plot.

Uwe Ligges
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