R-alpha: R-beta: vector recycling weirdness
Thomas Lumley
thomas@biostat.washington.edu
Sun, 27 Apr 1997 14:39:02 -0700 (PDT)
wompom:~> R
R : Copyright 1997, Robert Gentleman and Ross Ihaka
Version 0.49 Beta (April 23, 1997)
R> f
function ()
{
FALSE & matrix(FALSE, ncol = 1)
}
R> g
function ()
FALSE & matrix(FALSE, ncol = 1)
R> f()
Warning in FALSE & matrix(FALSE, ncol = 1) : longer object length
is not a multiple of shorter object length
[,1]
[1,] FALSE
R> g()
[,1]
[1,] FALSE
Is this weird or what?
Thomas Lumley
-----------------------------------------------------+------
Biostatistics : "Never attribute to malice what :
Uni of Washington : can be adequately explained by :
Box 357232 : incompetence" - Hanlon's Razor :
Seattle WA 98195-7232 : :
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