> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of Steve Lianoglou > Sent: Sunday, February 19, 2012 8:08 PM > To: elliot.we...@virgin.net > Cc: r help > Subject: Re: [R] R > > Hi, > > When replying to mails from r-help, please hit "reply all" so that > people can follow along so that everyone can benefit from the help, as > well as getting more eyeballs on your questions so you get better > help. > > Now: > > On Sun, Feb 19, 2012 at 8:54 PM, <elliot.we...@virgin.net> wrote: > > Brilliant, thanks for the help. Do you know how to find how many pairs > of letters there are in a vector? For example in AABCCC there would be 3 > pairs?
If I am guessing correctly, this might do what you want. x <- "AABCCC" xx <- unlist(strsplit(x,split=c())) sum(xx[-6] == xx[-1]) I will let you read the manual that Steve points to below to figure out how the code accomplishes the task. Dan > > I'm not sure what you mean. > > Please give an example of your input data, and what you expect to get > out of it, as well as showing us (in code) what you've already tried. > > I get the sense that you're pretty new to R. You're going to have to > do some homework in order to come up to speed w/ the basics of the > language. You can start here: > > http://cran.r-project.org/doc/manuals/R-intro.pdf > > HTH, > -steve > > -- > Steve Lianoglou > Graduate Student: Computational Systems Biology > | Memorial Sloan-Kettering Cancer Center > | Weill Medical College of Cornell University > Contact Info: http://cbio.mskcc.org/~lianos/contact Daniel Nordlund Bothell, WA USA ______________________________________________ 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.
