[R] problem with get command

[Gabor Grothendieck]

ov$vn1 is not a variable.  It is the result of applying the $ function to
the ov and vn1 arguments.

For example, using BOD which is a data frame that comes with R,
rather than get("BOD$Time") use get("BOD")[["Time"]]

On 4/26/06, Thomas Davidoff <davidoff at haas.berkeley.edu> wrote:
> I don't understand what my error is in the following:
> I need to use the get command on a series of variables, but can't for
> some reason that I don't understand.  Why am I told no such variable as
> ov$vn1 after getting a summary report on that very variable?
> > summary(ov$vn1)
>     Min.  1st Qu.   Median     Mean  3rd Qu.     Max.     NA's
>      1.0     25.0     81.0    468.1    450.0 159100.0   6050.0
> > dvars <- paste("ov$dvn", 1:4, sep="")
> > vars <- c("ov$vn1","ov$vn2","ov$vn3","ov$vn4")
> > summary(get(vars[1]))
> Error in get(x, envir, mode, inherits) : variable "ov$vn1" was not found
> Execution halted
>
>
>
> Thomas Davidoff
> Assistant Professor
> Haas School of Business
> UC Berkeley
> Berkeley, CA 94618
> Phone:    (510) 643-1425
> Fax:    (510) 643-7357
> email:    davidoff at haas.berkeley.edu
> web:    http://faculty.haas.berkeley.edu/davidoff/
>
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