On 29-08-2012, at 16:08, Nico Met wrote: > Hello john, > > thanks for the suggestion. Please find an example: > >> X<-matrix(rnorm(5*10),nrow=5) > >> dim(X) > [1] 5 10 >> X > [,1] [,2] [,3] [,4] [,5] [,6] > [,7] [,8] [,9] [,10] > [1,] 1.2774431 -1.2427735 0.81933548 -2.1098586 -1.6726799 -2.2994684 > -0.28823228 0.1929301 0.1187168 -1.2078372 > [2,] 0.5969187 -1.2571336 0.30292368 -0.2098139 -0.9689961 1.7105109 > 0.77240398 0.1482712 -1.2486152 0.2359723 > [3,] -0.9669289 -0.2315229 1.04611417 0.7902772 0.5791674 0.6296305 > -0.60517647 0.5317435 -0.2556417 -0.4838956 > [4,] -1.9345400 0.2898647 0.08983352 0.1482130 0.8229054 0.7778114 > 0.49423641 0.4015327 2.8596603 0.6618432 > [5,] -1.1969226 -1.3991657 -0.76507258 0.5024922 0.2633307 0.0236774 > -0.09497448 -0.3986624 0.1327156 -0.8935923 > >> X[2,5]<-0 >> X[3,1]<-0 >> X[6,8]<-0 >> X[5,8]<-0 >> X > [,1] [,2] [,3] [,4] [,5] [,6] > [,7] [,8] [,9] [,10] > [1,] 1.2774431 -1.2427735 0.81933548 -2.1098586 -1.6726799 -2.2994684 > -0.28823228 0.1929301 0.1187168 -1.2078372 > [2,] 0.5969187 -1.2571336 0.30292368 -0.2098139 0.0000000 1.7105109 > 0.77240398 0.1482712 -1.2486152 0.2359723 > [3,] 0.0000000 -0.2315229 1.04611417 0.7902772 0.5791674 0.6296305 > -0.60517647 0.5317435 -0.2556417 -0.4838956 > [4,] -1.9345400 0.2898647 0.08983352 0.1482130 0.8229054 0.7778114 > 0.49423641 0.4015327 2.8596603 0.6618432 > [5,] -1.1969226 -1.3991657 -0.76507258 0.5024922 0.2633307 0.0236774 > -0.09497448 0.0000000 0.1327156 -0.8935923
This is just as unreadable as your first try. Please do as suggested dput(X) and also include a set.seed() before generating the matrix to make it reproducible. Berend ______________________________________________ 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.
