mat <- matrix(rnorm(331*12),331,12) z <- rep(seq(0,331,by=11)+1, each=2) zz <- z[-c(1,length(z))]
ind <- as.data.frame(matrix(zz, nr=2)) lapply(ind, function(x) mat[x[1]:x[2],]) ------------------------------------------------------------------- Jacques VESLOT CNRS UMR 8090 I.B.L (2ème étage) 1 rue du Professeur Calmette B.P. 245 59019 Lille Cedex Tel : 33 (0)3.20.87.10.44 Fax : 33 (0)3.20.87.10.31 http://www-good.ibl.fr ------------------------------------------------------------------- SUMANTA BASAK a écrit : > Hi, > Thanks for reply. I'm sorry that i forgot to mention that from 2nd > matrix the first row values of the second matrix (and so on..) will be > the first row (and so on..). Please help me. > > Thanks, > SB. > > */Jacques VESLOT <[EMAIL PROTECTED]>/* wrote: > > split(as.data.frame(matrix(rnorm(331*12),331,12)), > gl(ceiling(331/12),12,331)) > > ------------------------------------------------------------------- > Jacques VESLOT > > CNRS UMR 8090 > I.B.L (2ème étage) > 1 rue du Professeur Calmette > B.P. 245 > 59019 Lille Cedex > > Tel : 33 (0)3.20.87.10.44 > Fax : 33 (0)3.20.87.10.31 > > http://www-good.ibl.fr > ------------------------------------------------------------------- > > > SUMANTA BASAK a écrit : > > Hi All, > > > > I have a (331*12) matrix. I wan t to braek it into 28 parts each > window having 12 rows, so that each matrix become (12*12) matrix. > How can i do this. > > > > Thanks, > > Sumanta. > > > > > > --------------------------------- > > > > Send instant messages to your online friends - NOW > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@stat.math.ethz.ch mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > > > > ------------------------------------------------------------------------ > Yahoo! India Answers: Share what you know. Learn something new. Click > here > <http://us.rd.yahoo.com/mail/in/mailcricket/*http://in.answers.yahoo.com> > Send instant messages to your online friends - NOW > <http://messenger.yahoo.com/download.php;_ylt=Ah5_.LTcbbJtYrNKnfM5e6xwMMIF> ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html