[R] extracting the mode of a vector

[Gad Abraham]

Benoît Lété wrote:
> Hello,
> 
> I have an elementary question (for which I couldn't find the answer on the
> web or the help): how can I extract the mode (modal score) of a vector?

Assuming that your vector contains only integers:

 > v <- sample(1:5, size=20, replace=T)
 > v
  [1] 1 1 1 1 2 3 5 1 1 5 2 4 1 3 1 1 5 4 1 5
 > vt <- table(v)
 > as.numeric(names(vt[vt == max(vt)]))
[1] 1
 >


Cheers,
Gad

-- 
Gad Abraham
Department of Mathematics and Statistics
The University of Melbourne
Parkville 3010, Victoria, Australia
email: g.abraham at ms.unimelb.edu.au
web: http://www.ms.unimelb.edu.au/~gabraham