Re: [R] request: a class having max frequency

From: Chuck Cleland <ccleland_at_optonline.net>
Date: Fri, 06 Jun 2008 09:18:55 -0400

On 6/6/2008 9:14 AM, Muhammad Azam wrote:
> Dear R users
> I have a very basic question. I tried but could not find the required result. using
> dat <- pima
> f <- table(dat[,9])
>

>> f 

> 0 1
> 500 268
> i want to find that class say "0" having maximum frequency i.e 500. I used
>> which.max(f)

> which provide
> 0
> 1
> How can i get only the "0". Thanks and

table(iris$Species)

     setosa versicolor  virginica
         50         50         50

which.max(table(iris$Species))
setosa

      1

names(which.max(table(iris$Species)))
[1] "setosa"

> best regards
>
> Muhammad Azam
> Ph.D. Student
> Department of Medical Statistics,
> Informatics and Health Economics
> University of Innsbruck, Austria
>
>
>
> [[alternative HTML version deleted]]
>
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-- 
Chuck Cleland, Ph.D.
NDRI, Inc. (www.ndri.org)
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Received on Sat 07 Jun 2008 - 02:31:36 GMT

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