Hi Worik, See ?which.min
x <- matrix(c(7, 7, 9, 7, 7, 9, 2, 9), ncol = 2, byrow = FALSE) which.min(x[,2]) x[which.min(x[,2]), ] HTH, Jorge On Wed, May 18, 2011 at 10:38 PM, Worik R <> wrote: > Friends > > If I have a matrix such as... > > [,1] [,2] > [1,] 7 7 > [2,] 7 9 > [3,] 9 2 > [4,] 7 9 > > And I want to find the row number that has the minimum value of column 2 > (row 3 in this case) how can I do it? Is there a simple way? > > cheers > Worik > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
