What you want is:
wf[[fl[1]]]
'fl' is a vector, so you should only be using a single '[' for indexing.
On Wed, May 7, 2008 at 3:20 AM, Dirkheld <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I have a dataframe wf existing of a header with different labels and beneath
> the values of those labels :
> wf:
> label1 label2 ...
> 0,45 0,21
> 0,10 0,45
> .... ....
>
> I have a list
> fl <- c("label2","label3",..)
>
> Isn't possible to use the list elements in the list in order to subtract
> values from the dataframe? like :
> wf$fl[[1]]
> When I do in R I get :NULL
> fl[[1]] gives "label2" so no problem here...
>
> While wf$label1 works fine.
>
>
>
> --
> View this message in context:
> http://www.nabble.com/use-list-elements-to-subtract-values-from-the-dataframe-tp17098923p17098923.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
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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.
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem you are trying to solve?
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