Tena koe Karena
Try:
table(strsplit("GGGGGGCCCAATCGCAATTCCAATT", ''))
HTH ...
Peter Alspach
> -----Original Message-----
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of karena
> Sent: Thursday, 16 June 2011 8:37 a.m.
> To: r-help@r-project.org
> Subject: [R] R string functions
>
> Hi,
>
> I have a string "GGGGGGCCCAATCGCAATTCCAATT"
>
> What I want to do is to count the percentage of each letter in the
> string,
> what string functions can I use to count the number of each letter
> appearing
> in the string?
>
> For example, the letter "A" appeared 6 times, letter "T" appeared 5
> times,
> how can I use a string function to get the these number?
>
> thanks,
>
> karena
>
> --
> View this message in context: http://r.789695.n4.nabble.com/R-string-
> functions-tp3600484p3600484.html
> Sent from the R help mailing list archive at Nabble.com.
>
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