OK, thanks guys. On Tue, Oct 25, 2011 at 9:56 AM, Hiram Clawson <[email protected]> wrote:
> Good Morning Archie: > > Please note the difference in data value resolution between the values you > obtain > from the .wib files with hgWiggle, and the original ascii data values you > find in > the wigFix files. Note the "Known issues section:" at > http://genomewiki.ucsc.edu/**index.php/Wiggle<http://genomewiki.ucsc.edu/index.php/Wiggle> > > hgWiggle is the convenient query mechanism to work with the wiggle data > sets with > the caveat of the loss in resolution of the data values. And yes, it can > work on > whole chromosome, or even whole genome queries. The original ascii data > files > have the non-lossy data values, but they are simple ascii data files with > no > indexing available to allow convenient access. If you have a spread sheet > or R system > which can handle a couple billion numbers in one table, you could perhaps > throw all > those numbers into that system. I'm not familiar with what procedures you > would use there > to manipulate such a set of numbers. See also: > http://genomewiki.ucsc.edu/**index.php/Using_hgWiggle_**without_a_database<http://genomewiki.ucsc.edu/index.php/Using_hgWiggle_without_a_database> > > You could convert the wigFix files into bigWig files to avoid the loss of > resolution. > However, the query utilities into bigWig files are going to return ascii > data values, or > summaries in regions. You would again need to manage the returned ascii > data values. > See also: http://genomewiki.ucsc.edu/**index.php/Selecting_a_** > graphing_track_data_format<http://genomewiki.ucsc.edu/index.php/Selecting_a_graphing_track_data_format> > > --Hiram > > > Archie Russell wrote: > >> Thanks >> >> Will hgWiggle work for whole chromosomes? >> >> Could I also use the "wigFix" files (they are in ascii) >> >> Thanks, >> Archie >> > _______________________________________________ Genome maillist - [email protected] https://lists.soe.ucsc.edu/mailman/listinfo/genome
