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
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