Hi Xiang, have a look at: ?tolower
I recommend downloading an R reference card, such as this one, http://cran.r-project.org/doc/contrib/Short-refcard.pdf Thus you won't have to consult mailing lists for such basic questions. Also www.rseek.org can be very helpful. Regards, Joern On Mon, 19 Jul 2010 16:31:25 +0800, xuxiang086 wrote > Hi all, > > Could you tell me which function in R is for changing letter case? Thanks. > > Best, > > Xiang > --- Joern Toedling Institut Curie -- U900 26 rue d'Ulm, 75005 Paris, FRANCE Tel. +33 (0)156246927 _______________________________________________ Bioc-sig-sequencing mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/bioc-sig-sequencing
