R help - Nov 2001 - Survey: R in Pharma

Hi All,

We're interested in finding other users of R in pharmaceutical companies.
Please reply if you are or know of someone who is.

-Greg

Gregory R. Warnes, Ph.D.
Pfizer Global Research and Development




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This must be a FAQ, but I can't find the answer:
I have a factor 'okk':
> table(okk)
okk
     Other   STORKAGE SKELLEFTEA    FALMARK       BOLE  NEAR_TOWN 
     14064        560        346        526        332         34 

Now I want to put the cases in 'NEAR_TOWN' into the 'Other'
category',
so I try:
> okk <- ifelse(okk == "NEAR_TOWN", "Other", okk)
> table(okk)
okk
    1     2     3     4     5 Other 
14064   560   346   526   332    34 
> is.factor(okk)
[1] FALSE

This is not what I intended. I can do what I want the hard way (i.e., by
converting  okk  to character an then back again) but there 
must be something simpler?

Thanks,

G?ran
-- 
 G?ran Brostr?m                      tel: +46 90 786 5223
 professor                           fax: +46 90 786 6614
 Department of Statistics            http://www.stat.umu.se/egna/gb/
 Ume? University
 SE-90187 Ume?, Sweden             e-mail: gb at stat.umu.se

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