[R] a more elegant approach to getting the majority level

Uwe Ligges ligges at statistik.uni-dortmund.de
Thu May 26 16:56:31 CEST 2005

Rajarshi Guha wrote:

> Hi, I have a factor and I would like to find the most frequent level.
> I think my current approach is a bit long winded and I was wondering if
> there was a more elegant way to do it:
> x <- factor(sample(1:0, 5,replace=TRUE))
> levels(x)[ which( as.logical((table(x) == max(table(x)))) == TRUE ) ]

(== TRUE) can ALWAYS be omitted, see also:

x == max(x) should be replaced by which.max(x)

as.logical() is superfluous

Hence we get:

Uwe Ligges

> (The length of x will always be an odd number, so I wont get a tie in
> max())
> Thanks,
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