lapply(split(mat, gl(nrow(mat)/4, 4, nrow(mat)), cov)
------------------------------------------------------------------- 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, > I've a matrix in 20*11 order. There are 11 variables, > i.e 11 columns and each variable have 20 row data. Now > i want to calculate covariance between any variable > with others taking 4 rows at a time, so that there > will be 5 blocks. How can i do this using any > R-function? If i want to do it in any 'loop' function? > > Thanks a lot, > SB. > > ______________________________________________ > 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 > ______________________________________________ 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
