Raw Message

Message-ID: <971536df0506121110777ddbf@mail.gmail.com>
Date: 2005-06-12T18:10:40Z
From: Gabor Grothendieck
Subject: by should use match.fun

I noticed that, unlike similar functions, 'by' does not use match.fun, e.g.

> by(iris, iris$Species, "summary")
Error in FUN(X[[1]], ...) : couldn't find function "FUN"

The 'by' code should have an initial line of:

FUN <- match.fun(FUN)