Dear Pantelis, the results merging 2 samples in run288 into the previous run are at: http://genomics-lab.fleming.gr/cgi-bin/hgTracks?db=hg19&hubUrl=http://genomics-lab.fleming.gr/fleming/PHlab/run276/merged/hub.txt and http://genomics-lab.fleming.gr/fleming/PHlab/run276/merged/metaseqr_run276c/index.html Tracks: Sampling to smallest library containing 40029157 reads PHR15-CON1.bam 45621733 .877414213966839 PHR16-CON2.bam 40029157 1.000000000000000 PHR17-DOX1.bam 48326463 .828307194755800 PHR18-DOX2.bam 44741776 .894670721162253 BW, Martin