[R] Conversion of strings to expressions

Dimitris Rizopoulos dimitris.rizopoulos at med.kuleuven.ac.be
Thu Nov 4 15:41:16 CET 2004

Hi Alexander,

I'm not quite sure of what you want, but maybe this will help:

vec <- c(1,2,3,2)


Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/16/396887
Fax: +32/16/337015
Web: http://www.med.kuleuven.ac.be/biostat/

----- Original Message ----- 
From: "Alexander Sokol" <alexandersokol at ofir.dk>
To: <R-help at stat.math.ethz.ch>
Sent: Thursday, November 04, 2004 3:00 PM
Subject: [R] Conversion of strings to expressions

> Hello,
> I'm not sure how to state my question in a technically accurate 
> manner, so
> I'll use a short example to clarify my problem:
> Say I have a vector,
> vec<-c(1,2,3,2)
> I would like to be able to "reference" the vector by using the 
> string
> containing the name of the vector - that is, I would like to know of 
> some
> function which is able to convert the string "vec" into the vector 
> vec itself.
> The purpose of this is to be able to do something like
> I hope it is clear from this what the problem is. It seems to me 
> that the
> function desired is akin to a sort of "inverse" to the quote() 
> function, but I
> have been unable to find such a function.
> I am using R 1.9.1 on Windows 2000 SP4. Does anyone have a 
> suggestion of how
> to solve the problem?
> Thanks,
> Alexander
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html

More information about the R-help mailing list