[R] calling a var by name in another var

[Adaikalavan Ramasamy]

get(myvar1) + get(myvar2)
[1] 295 411 230


On Thu, 2004-11-04 at 13:58, Oskar Villani wrote:
> Hello list,
> 
> I'd like to use a variable (or a column of a data frame) by using its name as a
> string. E.g.:
> 
> Data2003 <- c(150,200,120)
> Data2004 <- c(145,211,110)
> 
> myvar1 <- "Data2003"
> myvar2 <- "Data2004"
> 
> # now I'd like do do this
> 
> total <- Data2003 + Data2004
> 
> # in any way like
> # total <- ???(myvar1, myvar2)
> # or
> # total <- ???(myvar1) + ???(myvar2)
> # or something like that
> 
> Is there a possibility to do this in R - can't find a solution!
> 
> Thanks a lot
> 
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