Try this: gsub("^M{1}", "MOLE", names(data))
On Thu, Jun 18, 2009 at 8:24 PM, Mark Na <mtb...@gmail.com> wrote: > Dear R-helpers, > > I would like to adapt the following code > > > names(data)<-sub("M","MOLE",names(data)) > > which changes any occurrence of "M" (in my variable names) to "MOLE" > > such that it ONLY operates on the first character of each variable > name, i.e. M will only be changed to MOLE if it's the first character > of a variable. > > I would appreciate any help you might provide. Thanks! > > Mark Na > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ 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.