I agree with Bert about tests of normality.  See:
http://stackoverflow.com/questions/7781798/seeing-if-data-is-normally-distributed-in-r

Kevin


On Fri, Nov 2, 2012 at 12:09 PM, Bert Gunter <gunter.berton@gene.com> wrote:

> 1. Is this homework?
> 2. This is not an R question. Post to a statistical list list
> stats.stackexchange.com for such questions.
> 3. If this is not homework, I suggest you consult a local statistical
> expert, as your statistics knowledge appears minimal.
> 4. No variable is **ever** normally distributed.
> 5. Tests of normality are a waste of time (this is **my** opinion only).
>
> Cheers,
> Bert
>
>
> On Fri, Nov 2, 2012 at 7:05 AM, Hard Core <gioxc@hotmail.it> wrote:
> > If I get this value of SW test is variable resid(lr3) normal distributed?
> >
> > Shapiro-Wilk normality test
> >
> > data:  sample(resid(lr3), 5000, replace = T)
> > W = 0.9953, p-value = 1.355e-11
> >
> >
> >
> > --
> > View this message in context:
> http://r.789695.n4.nabble.com/Shapiro-Wilk-normality-test-tp4648236.html
> > Sent from the R help mailing list archive at Nabble.com.
> >
> > ______________________________________________
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> > and provide commented, minimal, self-contained, reproducible code.
>
>
>
> --
>
> Bert Gunter
> Genentech Nonclinical Biostatistics
>
> Internal Contact Info:
> Phone: 467-7374
> Website:
>
> http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
>
> ______________________________________________
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>



-- 
Kevin Wright

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