helpString += "Example unifrac.weighted(groups=A-B-C, iters=500).\n";
helpString += "The default value for groups is all the groups in your groupfile, and iters is 1000.\n";
helpString += "The unifrac.weighted command output two files: .weighted and .wsummary their descriptions are in the manual.\n";
helpString += "Example unifrac.weighted(groups=A-B-C, iters=500).\n";
helpString += "The default value for groups is all the groups in your groupfile, and iters is 1000.\n";
helpString += "The unifrac.weighted command output two files: .weighted and .wsummary their descriptions are in the manual.\n";