[R] Extracting a subset

[Uwe Ligges]

On 10.05.2010 14:35, Silvano wrote:
> Hi,
>
> I have a dataset with many variables and observations.
> The variable Group has two levels: C and P,
> the Month variable has four levels: 0, 1, 2 and 3.
>
> I want to extract a subset of the variable Weight, considering only 1
> and 3 levels for Months of the Group variable.
>
> I tried the command subset but it did not work. Any suggestions?


Tell us how you used it and how your data looks like and we may be in a 
position to help afterwards,.

 > PLEASE do read the posting guide
 > http://www.R-project.org/posting-guide.html
 > and provide commented, minimal, self-contained, reproducible code.


Uwe Ligges


> Thanks,
>
> --------------------------------------
> Silvano Cesar da Costa
> Departamento de Estatística
> Universidade Estadual de Londrina
> Fone: 3371-4346
>
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.