Thank you Robert,Petr and Bert.
I know my question is generic one, which does specify what is range to
values which comes as "unusual" value.
I start with R a week ago and trying to learn it.
Can somebody tell me how to set the range (say >7000000) for the  outlier
value?
Thanks & Regards,
Prakash

On Thu, May 17, 2012 at 9:38 PM, Robert Baer <rbaer@atsu.edu> wrote:

> Petr and Bert offer sound advice. At the risk of getting completely
> ostracized, here's how you could find outliers using the definition of
> 'outlier' used by R's boxplot function and at the same time see your data.
>
>  dat = c(11489,  11008,  11873,  80000000,  9558,  8645,  8024,  8371)
>> a = boxplot(dat)
>> a$out
>>
> [1] 8e+07
>
>
>
> -----Original Message----- From: Prakash Thomas
> Sent: Tuesday, May 15, 2012 7:00 AM
> To: r-help@r-project.org
> Subject: [R] how to find outliers from the list of values
>
>
> Hi,
>       I am new to R and I would like to get your help in finding
> 'outliers'.
> I have mvoutlier package installed in my system and added the package .
> But I not able find a function from 'mvoutlier' package which will identify
> 'outliers'.
> This is the sample list of data I have got which has one out-lier.
>  11489  11008  11873  80000000  9558  8645  8024  8371  It will be of
> great help if somebody have got an example script for the same.
>
> Thanks & Regards,
> Thomas
>
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>
> ------------------------------**------------
> Robert W. Baer, Ph.D.
> Professor of Physiology
> Kirksville College of Osteopathic Medicine
> A. T. Still University of Health Sciences
> 800 W. Jefferson St.
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