[R] Putting splom in a function

[Roberto Perdisci]

On 2/15/07, Deepayan Sarkar <deepayan.sarkar at gmail.com> wrote:
> On 2/14/07, Roberto Perdisci <roberto.perdisci at gmail.com> wrote:
>
> > if I use
> >               groups = groups
> > instead of
> >               groups = as.symbol(groups)
> >
> > shomthing is plotted, but not the correct scatterplot.
>
> Try groups = eval(as.name(groups))

groups = eval(as.name(groups))  does exactly what I was looking for :)
and then I noticed that groups = eval(as.symbol(groups)) works as well

thank you,
Roberto

> Deepayan
>
> > I think the problem is that I don't cast the 'groups' variable to the
> > correct type. Besides as.symbol() I tried also as.expression(),
> > because ?xyplot says "groups: a variable or expression to be evaluated
> > in the data frame specified by 'data'".
> > What is the correct type? What as.* should I use?
> >
> > thank you,
> > regards,
> > Roberto
> >
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