[R] How to write a new "top-level" Trellis/lattice function?

[Dimitris Rizopoulos]

you can see the trellis.skeleton function using the following:

library(lattice)
getAnywhere(trellis.skeleton)
f <- getAnywhere(trellis.skeleton)[[2]][[1]]

I hope it helps.

Best,
Dimitris

----
Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/16/336899
Fax: +32/16/337015
Web: http://www.med.kuleuven.ac.be/biostat
     http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm


----- Original Message ----- 
From: "Marc Paterno" <paterno at fnal.gov>
To: <r-help at stat.math.ethz.ch>
Sent: Tuesday, February 01, 2005 2:53 PM
Subject: [R] How to write a new "top-level" Trellis/lattice function?


> Hello,
>
> I am trying to write a new "top level" Trellis/lattice function.
> By "top-level", I mean a function like 'xyplot', 'histogram',
> 'bwplot', etc.
> These functions all call 'trellis.skeleton', which I am unable to
> call;
> an attempt to invoke the function that does so yields the error
> message:
>
> -----
> Error in do.call("trellis.skeleton", c(list(cond = cond, aspect =
> aspect,  :
>        couldn't find function "trellis.skeleton"
> -----
>
> It seems that 'trellis.skeleton' is an internal (to lattice) 
> function.
> Is this correct, and if so, what is the recommended way to develop a
> new
> top-level Trellis/lattice function?
>
> best regards,
> Marc
>
> ----
> Dr. Marc Paterno
> Fermi National Accelerator Laboratory
>
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