Try
apply(A, 1, prod)
I hope it helps.
Best,
Dimitris
On 2/20/2012 4:21 PM, Graziano Mirata wrote:
Hi all,
I am trying to multiply each column of a matrix such to have a unique resulting
vector with length equal to the number of rows of the original matrix. In short
I would like to do what prod(.) function in Matlab does, i.e.
A<-matrix(c(1:10),5,2)
V = A[,1]*A[,2]
Thank you
Graziano
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Dimitris Rizopoulos
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Erasmus University Medical Center
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