Good Morning: Wiggle tracks compress the data for storage and reduce the precision of the input data values. The exact data values can not be recovered from the compression format. The bedGraph type of tracks store and use the actual original data. Thus, the bedGraph tracks can return the original data in the table browser.
See also: http://genome.ucsc.edu/goldenPath/help/wiggle.html http://genomewiki.ucsc.edu/index.php/Selecting_a_graphing_track_data_format http://genomewiki.ucsc.edu/index.php/Wiggle --Hiram Peng Yu wrote: > I see the following description. > > http://genome.ucsc.edu/goldenPath/help/bedgraph.html > > "This track type is similar to the wiggle (WIG) format, but unlike the > wiggle format, data exported in the bedGraph format are preserved in > their original state." > > But it is not making sense to me what the difference between wiggle > and bedGraph is. What does 'original state' mean? Could the > description on the webpage be revised to make it clearer? _______________________________________________ Genome maillist - [email protected] https://lists.soe.ucsc.edu/mailman/listinfo/genome
