[R] how to make this get command work?

ce zadig_1 at excite.com
Thu Dec 18 05:22:03 CET 2014


Thank you. I was flummoxed by late night tiredness. 
getElement via ?"[" helped me. I am flubbergusted with your speedy answer.
ce

-----Original Message-----
From: "Bert Gunter" [gunter.berton at gene.com]
Date: 12/17/2014 10:35 PM
To: "ce" <zadig_1 at excite.com>
CC: "r-help at r-project.org" <r-help at r-project.org>
Subject: Re: [R] how to make this get command work?

?"["

Read the docs! Go thru an R tutorial.

-- Bert

Bert Gunter
Genentech Nonclinical Biostatistics
(650) 467-7374

"Data is not information. Information is not knowledge. And knowledge
is certainly not wisdom."
Clifford Stoll




On Wed, Dec 17, 2014 at 7:24 PM, ce <zadig_1 at excite.com> wrote:
> Dear all,
>
> If I have a list like this how I can get an object of it  with a variable :
>
> foo<-list(A = c(1,3), B =c(1, 2), C = c(3, 1))
> var <- "A"
>
> get(paste("foo$",'A',sep=''))
> Error in get(paste("foo$", "A", sep = "")) : object 'foo$A' not found
>
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