gene.fpkm_tracking file has empty class_code and nearest_ref_id

[madsaan]

Hi,

My gene.fpkm_tracking looks like the following


tracking_id class_code nearest_ref_id gene_short_name tss_id locus female_FPKM female_conf_lo female_conf_hi male_FPKM male_conf_lo male_conf_hi
XLOC_000001 - - ENPP1 - chr1:3247710-3321656 0.327737 0.305238 0.350236 7.99939 7.22641 8.77238
XLOC_000002 - - ENPP1 - chr1:3247710-3321656 0.703183 0.661924 0.744442 0 0 0
XLOC_000003 - - ENPP1 - chr1:3247710-3321656 0.0182812 0.0173902 0.0191722 0 0 0
XLOC_000004 - - ENPP1 - chr1:3247710-3321656 0.0304272 0.0283979 0.0324564 0 0 0
XLOC_000005 - - ENPP1 - chr1:3247710-3321656 9.04286 8.20542 9.88031 0 0 0


My class_code and nearest_ref_id is empty although it is not empty for the other tracking files produced by cuffdiff.
Please help!!

Thanks,
Joji