Hi, Yes you can. As William says, the 'seq_len' approach seems to be better. 'head' function is the wrapper for 'seq_len' approach and slower.
I didn't know that '-length(x)' approach is slow for long vectors.... -- Noia Raindrops noia.raindr...@gmail.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.
