Have you checked the package seqinR at CRAN? It may help. Also, if you split a string into single characters using strsplit, then use table to count characters.
seq<-"ATGAAC" table(strsplit(seq, "")) A C G T 3 1 1 1 > 3. based on "AAABBB",how can i get some statistics of this string such as how > many letters,how many "A"s in the string. -- ----------------- Chris Stubben Los Alamos National Lab BioScience Division MS M888 Los Alamos, NM 87545 ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
