[R] delete excel id automatically generated

[Andrew Robinson]

Try the function

rownames()

Andrew

On Tue, May 03, 2011 at 03:29:37AM -0700, agent dunham wrote:
> Dear community, 
> 
> I uploaded an excel with read.xls. My xls file actually have a column which
> is an id, ("plot" is the id) : 
> 
> plot height area
> 34    7.6     5.4
> 85    3.2     4.1
> 89    5.4     8.4
> 121   6.7    6.2
> ...
> 1325  2.1    1.5
> 
> However R uses another id, this way: 
> 
> r id   plot height  area
>  1      34    7.6     5.4
>  2      85    3.2     4.1
>  3      89    5.4     8.4
>  4     121    6.7    6.2
> ...
> 314  1325   2.1    1.5
> 
> I'd like that R used "plot" id because I delete some rows while studying
> regression, and R seems to be using the first id 1,2,3,4,...,314. Sometimes
> it's a mess to understand what R means in the plots when, for instance,
> states that data 200 is influential
> 
> Thanks in advance, user at host.com
> 
> 
> 
> 
> 
> --
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> 
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-- 
Andrew Robinson  
Program Manager, ACERA 
Department of Mathematics and Statistics            Tel: +61-3-8344-6410
University of Melbourne, VIC 3010 Australia               (prefer email)
http://www.ms.unimelb.edu.au/~andrewpr              Fax: +61-3-8344-4599
http://www.acera.unimelb.edu.au/

Forest Analytics with R (Springer, 2011) 
http://www.ms.unimelb.edu.au/FAwR/
Introduction to Scientific Programming and Simulation using R (CRC, 2009): 
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