[R] Inheriting from factors + co.
Torsten.Steuernagel at gmx.de
Tue Feb 24 22:34:13 CET 2004
On 24 Feb 2004 at 21:38, Uwe Ligges wrote:
> > setClass("myclass", representation("ANY", x = "numeric", y
> > ="numeric"))
> > new("myclass", 1:10) # works
> > new("myclass", "Test") # works
> > new("myclass", factor(1:10)) # fails
> Why do you think it fails?
I was typing faster than thinking. It doesn't actually fail but what I get is
a numeric vector with a levels attribute. If I specify a factor as .Data
part I expect that the created object IS a factor and
is.factor(new("myclass", factor(1:10))) returns TRUE.
> It works perfectly for me with R-1.8.1 for Windows.
> You haven't told anything about your R version, I suspect your are
> using an outdated one.
Sorry, forgot that one. I'm also using R 1.8.1 on Windows.
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