On Aug 14, 2012, at 16:54 , Jinsong Zhao wrote:
> Hi there,
>
> In the following function:
>
> demo.plot <- function( obj ) plot(1:5, obj, xlab = "x")
>
> Then, I use this function as following:
>
> y <- rnorm(5)
> demo.plot(y)
>
> It will produce a plot with ylab = "obj", however, I hope to get a plot with
> ylab = "y".
>
> Is it possible to convert object/variable name y to a string "y", so I can
> set it in demo.plot():
>
> demo.plot <- function( obj ){
> lab.y <- obj.name.2.string(obj) #### I need obj.name.2.string()
> plot(1:5, obj, xlab = "x", ylab = lab.y)
> }
>
> I don't know how to define the function obj.name.2.string.
>
> Any suggestion will be greatly appreciated.
The standard trick involves deparse(substitute(....)). Take a look inside
plot.default.
>
> Regards,
> Jinsong
>
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--
Peter Dalgaard, Professor
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd....@cbs.dk Priv: pda...@gmail.com
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