[R] counting number of "G" in "TCGGGGGACAATCGGTAACCCGTCT"

[Henrik Bengtsson]

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 <daren76 at hotmail.com> wrote:
>
> Any better solution than this ?
>
> sum(strsplit("TCGGGGGACAATCGGTAACCCGTCT", "")[[1]] == "G")
> _________________________________________________________________
>
>
>        [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at 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.
>