Message-ID: <Pine.SOL.4.30.0304010505550.24055-100000@ysidro.econ.uiuc.edu>
Date: 2003-04-01T13:13:39Z
From: Roger Koenker
Subject: setGeneric
In-Reply-To: <200304011015.h31AEd2w012474@hypatia.math.ethz.ch>
I'm still having difficulties with methods...is the following behavior expected?
(This is without loading any libraries)
R : Copyright 2003, The R Development Core Team
Version 1.7.0 Under development (unstable) (2003-03-31)
> ls()
character(0)
>
> diag(2)
[,1] [,2]
[1,] 1 0
[2,] 0 1
> setGeneric("diag")
[1] "diag"
> diag(2)
Error in diag(2) : Object "n" not found
>
Seems to be a perverse consequence of some slightly fancy use of lazy evaluation....
url: www.econ.uiuc.edu Roger Koenker Dept. of Economics UCL,
email rkoenker@uiuc.edu Department of Economics Drayton House,
vox: 217-333-4558 University of Illinois 30 Gorden St,
fax: 217-244-6678 Champaign, IL 61820 London,WC1H 0AX, UK
vox: 020-7679-5838