No no, I actually want following result : 7, 14, 21, 6, 13, 20, 5, 12, 19,............
David Winsemius wrote: > > > On Aug 23, 2009, at 2:37 PM, Bogaso wrote: > >> >> I have suppose a matrix like that >> >>> mat <- matrix(1:21, 7) >>> mat >> [,1] [,2] [,3] >> [1,] 1 8 15 >> [2,] 2 9 16 >> [3,] 3 10 17 >> [4,] 4 11 18 >> [5,] 5 12 19 >> [6,] 6 13 20 >> [7,] 7 14 21 >> >>> From this matrix, I want to create a vector like tha : >> >> c(mat[7,], mat[6,], mat[5,], ....., mat[1,]) >> >> Can anyone please guide me, how to do that? > > c( mat[7:1,] ) > > # [1] 7 6 5 4 3 2 1 14 13 12 11 10 9 8 21 20 19 18 17 16 15 > > -- > > David Winsemius, MD > Heritage Laboratories > West Hartford, CT > > ______________________________________________ > 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. > > -- View this message in context: http://www.nabble.com/A-matrix-calculation-tp25106048p25106224.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.