Message-ID: <B492582B-6B15-495E-924D-BB8A707BD827@comcast.net>
Date: 2012-03-08T20:54:48Z
From: David Winsemius
Subject: Classification by range
In-Reply-To: <1331237694.74165.YahooMailNeo@web132105.mail.ird.yahoo.com>
On Mar 8, 2012, at 3:14 PM, Ajay Askoolum wrote:
> Given
>
> studentNumbers<-10;
>
> subjEnglish<-sample(-1:100,studentNumbers,replace=TRUE);
>
> when subEnglish <=0, 'U'
> <=39, 'F'
> <=49 'D'
> <=59, 'C'
> <=69, 'B'
> <=79,'A'
> <=100 'A+'
> I can solve this using a series of 'if' 'else' statements. I am
> looking for a simple expression that will give the letter
> classification for every element of subEnglish.
?cut
(This should be explained and exemplified in any introductory material
regarding R.)
--
David Winsemius, MD
West Hartford, CT