On 02/28/2010 11:29 AM, Kasper Daniel Hansen wrote: > Would it not make sense to return a character vector instead of a > factor? As we see, factors tends to bit you, and there is no > particular reason for having a factor in this particular example.
It's ironic in this circumstance, but a factor gives a controlled vocabulary -- no 'F' / 'R', for instance. Less compelling, representing a factor takes up less memory than a (vector of) character. Martin > > Kasper > > On Sun, Feb 28, 2010 at 2:03 PM, Martin Morgan <[email protected]> wrote: >> Hi all -- >> >> I want to be a bit more explicit about a user-visible change that might >> cause some confusion. This has to do with the development version of >> ShortRead, and the unreleased version of Rsamtools. >> >> Previously, strand() returned levels c("-", "+", "*"). This changed in >> BSgenome 1.15.10 svn revsion 44085 (2010-01-19). ShortRead didn't catch >> up to this revision until today (version 1.5.18, revision 44930); >> Rsamtools caught up in version 0.1.34. Rsamtools also made an important >> change in the way reads on the reverse strand are handled, see >> news(package="Rsamtools"). >> >> Martin >> -- >> Martin Morgan >> Computational Biology / Fred Hutchinson Cancer Research Center >> 1100 Fairview Ave. N. >> PO Box 19024 Seattle, WA 98109 >> >> Location: Arnold Building M1 B861 >> Phone: (206) 667-2793 >> >> _______________________________________________ >> Bioc-sig-sequencing mailing list >> [email protected] >> https://stat.ethz.ch/mailman/listinfo/bioc-sig-sequencing >> -- Martin Morgan Computational Biology / Fred Hutchinson Cancer Research Center 1100 Fairview Ave. N. PO Box 19024 Seattle, WA 98109 Location: Arnold Building M1 B861 Phone: (206) 667-2793 _______________________________________________ Bioc-sig-sequencing mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/bioc-sig-sequencing
