> So is each line just ACCGTATAT etc etc? Exacty, A_G, A_A, G_G and the such.
> If you have fixed width fields in a file, so that every line is the > same length, then you can use random access methods to get to a > particular value - just multiply the line length by the row number you Nice hint! I didnt think on this. But I fear that if I have missing values on the file I wont be able to read the right information... > When doing this, it's a good idea to test your dataset first to make > sure the lines and fields are right. Yes, I am trying to figure out if all the lines have the exact same lenght to use a random access method to read it. Thanks, Jose Lozano ______________________________________________ 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.
