You might consider using the 'bit' library and use two bits per base. You could then wrap this in an object with appropriate functions (bit.`[`, etc.).
-s On Wed, Dec 24, 2008 at 10:26 AM, Gundala Viswanath <gunda...@gmail.com>wrote: > Dear all, > > What's the R way to compress the string into smaller 2~3 char/digit length. > In particular I want to compress string of length >=30 characters, > e.g. ACGATACGGCGACCACCGAGATCTACACTCTTCC > > The reason I want to do that is because, there are billions > of such string I want to print out. And I need to save disk space. > > - Gundala Viswanath > Jakarta - Indonesia > > ______________________________________________ > 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. > [[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.