Hi all,
Thanks very much for the prompt responses! All the suggestions worked :)
Paul
________________________________
From: Martin Morgan <mtmor...@fhcrc.org>
Cc: r-h...@stat.math.ethz.ch
Sent: Saturday, July 4, 2009 1:01:16 PM
Subject: Re: [R] newby question
Hi Paul --
Paul Evans wrote:
> Hi,
>
> I work with bio-conductor, but this is probably a basic R question.
>
> I want to emulate the GOBPOFFSPRING$"GO:0008150" command:
>
>
>> allBP <- GOBPOFFSPRING$"GO:0008150"
>> class(allBP)
> [1] "character"
>> length(allBP)
> [1] 16066
>
> I want to create a function so that I can execute the command by passing as a
> parameter the portion in quotes in the above command (""GO:0008150"). So my
> current function looks like:
>
>> str <- "GO:0008150"
>> ifunc <- function(str){
> + allBP <- paste('GOBPOFFSPRING$',str,sep='')
> + return(allBP)
> + }
>> x <- ifunc(str)
>> class(x)
> [1] "character"
>> length(x)
> [1] 1
>
> But this just returns a string. How do I get the command to execute?
use GOBPOFFSPRING[[str]]. It is in some ways a general R question, but
actually GOBPOFFSPRING is an instance of a class with specialized
functionality, and you'll better advice about it on the Bioconductor
mailing list.
Martin
>
> thanks!
>
>
>
> [[alternative HTML version deleted]]
>
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