[R] SAS user now converting to R - Help with Transpose

[Henrique Dallazuanna]

Try this:

cbind(DF$Chemical, stack(DF, names(DF)))

On Mon, Sep 28, 2009 at 11:24 AM, baxterj <jdew at vt.edu> wrote:
>
> I am just starting to code in R and need some help as I am used to doing this
> in SAS.
>
> I have a dataset that looks like this:
>
> Chemical Well1 Well2 Well3 Well4
> BOD 13.2 14.2 15.5 14.2
> O2 7.8 2.6 3.5 2.4
> TURB 10.2 14.6 18.5 17.3
> and so on with more chemicals....
>
> I would like to transpose my data so that it looks like this:
> Chemical WellID Value
> BOD Well1 13.2
> BOD Well2 14.2
> BOD Well3 15.5
> BOD Well4 14.2
> O2 Well1 7.8
> O2 Well2 2.6
> .... and so on
>
> In sas I would code it like this:
> proc sort data=ds1; by chemical; run;
> Proc Transpose data=ds1 out=ds2;
> by chemical;
> var Well1 Well2 Well3 Well4;
> run;
> data ds3; set ds2;
> rename _name_ = WellID;
> rename col1 = value;
> run;
>
> How can I do this in R??  Any help is much appreciated.  Thanks!
> --
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>
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>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O