Message-ID: <Pine.A41.4.33.0109140921570.130734-100000@homer03.u.washington.edu>
Date: 2001-09-14T16:27:39Z
From: Thomas Lumley
Subject: "return" function
In-Reply-To: <D8FC432ED011D511B1D9001083FD45E70F35F7@norcom2.norcom.net>
On Fri, 14 Sep 2001, Chris Marshall wrote:
> I tried to write a function like this
>
> f1 <- function(){
> if (condition 1) return
> if (condition 2) return
> ...
> if (condition 3) return
>
> do more work
> }
>
> Where I am using return to exit the function prematurely when I detect
> conditions that warrant it. Return doesn't seem to work this way.
>
> How should I do this?
You need to evaluate the function
if (condition1) return()
if (condition2) return()
etc
It's the same for all functions -- at the command line, for example, if
you type the name of a function without parentheses you just get the
source code for the function listed.
-thomas
Thomas Lumley Asst. Professor, Biostatistics
tlumley at u.washington.edu University of Washington, Seattle
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