Try this: m <- rbind(c(4,5,2), c(2,8,9), c(5,2,3)) cbind(1:NROW(m), apply(m, 1, which.min))
On Thu, Sep 10, 2009 at 3:34 PM, annie Zhang <annie.zhang2...@gmail.com>wrote: > Hi, All, > > How can I get the indices of the minimum elements in a matrix without using > a loop? > > For example, if the matrix is > > 4 5 2 > 2 8 9 > 5 2 3 > > Then I want to output (1,3), (2,1), (3,2). > > Thanks, > > Annie > > [[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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[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.