Daren Tan <daren76 <at> hotmail.com> writes: > Any better solution than this ? > sum(strsplit("TCGGGGGACAATCGGTAACCCGTCT", "")[[1]] == "G")
Try table(strsplit("TCGGGGGACAATCGGTAACCCGTCT", "")) A C G T 5 7 8 5 and get all 4 at once. HTH -- Ken Knoblauch Inserm U846 Institut Cellule Souche et Cerveau Département Neurosciences Intégratives 18 avenue du Doyen Lépine 69500 Bron France tel: +33 (0)4 72 91 34 77 fax: +33 (0)4 72 91 34 61 portable: +33 (0)6 84 10 64 10 http://www.sbri.fr ______________________________________________ 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.