Hi, And the Bioconductor package "Biostrings" is the place to go for any serious work with sequences. -- Best wishes Wolfgang
------------------------------------------------------------------ Wolfgang Huber EBI/EMBL Cambridge UK http://www.ebi.ac.uk/huber 15/07/2008 16:43 Henrik Bengtsson scripsit > Seems like you can do: > > library("matchprobes") # on Bioconductor > countbases("TCGGGGGACAATCGGTAACCCGTCT")[,"G"] > > The catch is that it only counts A, C, G, and T:s and no other symbols. > > /Henrik > > On Tue, Jul 15, 2008 at 8:27 AM, Daren Tan <[EMAIL PROTECTED]> wrote: >> Any better solution than this ? >> >> sum(strsplit("TCGGGGGACAATCGGTAACCCGTCT", "")[[1]] == "G") >> _________________________________________________________________ ______________________________________________ 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.
