R does have a mode function, but it seems NOT to do the same thing as in
matlab.
> A <- matrix(c(1:3,1,3,2,3,3,2),nrow=3,byrow=F)
> A
[,1] [,2] [,3]
[1,] 1 1 3
[2,] 2 3 3
[3,] 3 2 2
> A[,2]
[1] 1 3 2
> mode(A)
[1] "numeric"
> mode(A[,2])
[1] "numeric"
On 2010-9-1 5:19, Iain Martyn wrote:
Hi, I have what I think is a simple question/issue but I have unable to find
the answer for it either in the R-manual or by browsing the web.
I would like to know if there is a "mode" function in R, such that from a
vector or matrix the function returns the most common value. In other programs I use
(such as Matlab) I can have for exampe a 3X3 matrix A, A=[1 2 3; 1 3 2; 3 3 2] and I can
find the mode of the rows so that mode(A[1:3,:]) returns a 1X3 matrix [1 3 2].
Is this possible in R as well? If not, how would one go about this?
Thank you very much,
Bill
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