[R] R-help: beginner question - Thank you! OUTLIERS

Spencer Graves spencer.graves at pdf.com
Thu Aug 28 18:03:01 CEST 2003

Have you considered normal probability plots (qqnorm) to identify 
outliers?  These will identify much more, of course, including the need 
for transformations, mixtures of distributions, etc.

hope this helps.  spencer graves

Monica Palaseanu-Lovejoy wrote:
> Hi,
> Thank you so much for all your rapid answers. I am impressed.
> What i didn't know was that i have to assign my data to an object 
> to work further on. It was not clear from the help (at least for me) 
> that 'data()' itself is calling data already in R packages. All of you 
> make that clear.
> Now, if you can suggest any good package to use for identifying 
> outliers it will be great ;-)) 
> Hopefully from now one, since i understood how i am using the 
> examples, what 'data()' means and how i am using my own data, i 
> will put less trivial questions.
> thank you so much indeed,
> Monica
> Monica Palaseanu-Lovejoy
> University of Manchester
> School of Geography
> Mansfield Cooper Building 
> Oxford Road, Manchester
> M13 9PL, UK. 
> email: monica.palaseanu-lovejoy at stud.man.ac.uk
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> R-help at stat.math.ethz.ch mailing list
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