[R] (no subject)

[Tony Plate]

Looks like there might have been some truncation of Jonathon Baron's message.

Here's one way of computing the sample mode of a vector.

 > set.seed(1)
 > x <- sample(1:5,20,rep=T)
 > x
  [1] 2 2 3 5 2 5 5 4 4 1 2 1 4 2 4 3 4 5 2 4
 > table(x)
x
1 2 3 4 5
2 6 2 6 4
 > names(which.max(table(x)))
[1] "2"
 >

Note that this method returns the first max value in the case of ties.

hope this helps,

Tony Plate

At Tuesday 11:01 AM 8/24/2004, Jonathan Baron wrote:
>On 08/24/04 13:50, Paolo Tommasini wrote:
> >Hi my name is Paolo Tommasini does anyone know how to compute a "mode"
> >( most frequent element ) for a distribution ?
>
>which.max
>
>--
>Jonathan Baron, Professor of Psychology, University of Pennsylvania
>Home page: http://www.sas.upenn.edu/~baron
>R search page: http://finzi.psych.upenn.edu/
>
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