Hello Dieter I got them from a Matrix on with I use the applyfunction tu compute the mean columns by columns
print(apply(matSD,2,mean)) So it's a kind of vector. I'll check with the cat function Thank you, have a nice day Thomas -- View this message in context: http://www.nabble.com/How-to-display-data-content-on-a-only-row--tp23497437p23500703.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.