[R] normality test for large a large dataset ?

Greg Snow Greg.Snow at imail.org
Mon May 4 19:32:15 CEST 2009

See: http://finzi.psych.upenn.edu/R/Rhelp08/archive/136160.html

But the issue really comes down to the fact that the questions: "exactly normal?", and "normal enough?" are 2 very different questions (with the difference becoming greater with increased sample size) and while the first is the easier to answer, the second is generally the more useful one.

Hope this helps,

Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Martial Sankar
> Sent: Monday, May 04, 2009 1:49 AM
> To: rhelp
> Subject: [R] normality test for large a large dataset ?
> Hello,
> Do you know a R implemented normality test like the shapiro test but
> more suitable for large data set ?
> Thanks,
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