> How do I get sub-matrix? Example, I would like to get matrix of size 3x7 > from the matrix of size 4x7. Meaning that I try to exclude one row of the > original matrix.
Just exclude the row by negative indexing - e.g. foo[-2,] You may want to consider reading the "Introduction to R" where all these concepts are explained to new users. cu Philipp -- Dr. Philipp Pagel Lehrstuhl für Genomorientierte Bioinformatik Technische Universität München Wissenschaftszentrum Weihenstephan 85350 Freising, Germany http://mips.gsf.de/staff/pagel ______________________________________________ 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.