Re: [R] Element by Element addition of the columns of a Matrix

From: Pete Brecknock <Peter.Brecknock_at_bp.com>
Date: Fri, 29 Apr 2011 06:06:19 -0700 (PDT)

... is the apply function what you are looking for?

A=matrix(1,2,4)

apply(A,1,sum)

HTH Pete

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