m = matrix(1:4, 2) apply(m, 1, cat, '\n') # 1 2 # 3 4 # NULL
why the null? vQ ______________________________________________ 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.