[R] Extracting a subset

[Ivan Calandra]

Hi,
My first suggestion would be to supply a sample data (maybe using the 
function dput) showing what you have, what you want to do, and what 
you've tried (you say that subset() didn't work but we don't know how 
you've typed it).
Then, we'll see!
Ivan



Le 5/10/2010 14:35, Silvano a écrit :
> 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?
>
> Thanks,
>
> --------------------------------------
> Silvano Cesar da Costa
> Departamento de Estatística
> Universidade Estadual de Londrina
> Fone: 3371-4346
>
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> and provide commented, minimal, self-contained, reproducible code.
>

-- 
Ivan CALANDRA
PhD Student
University of Hamburg
Biozentrum Grindel und Zoologisches Museum
Abt. Säugetiere
Martin-Luther-King-Platz 3
D-20146 Hamburg, GERMANY
+49(0)40 42838 6231
ivan.calandra at uni-hamburg.de

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