[R] R string functions

[Peter Alspach]

Tena koe Karena

Try:

table(strsplit("GGGGGGCCCAATCGCAATTCCAATT", ''))

HTH ...

Peter Alspach

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of karena
> Sent: Thursday, 16 June 2011 8:37 a.m.
> To: r-help at 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
> 
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> functions-tp3600484p3600484.html
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> 
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> and provide commented, minimal, self-contained, reproducible code.

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