bam reads unmapped frac_unmapped unique_reads frac_dupes pairs frac_reads_on_target frac_reads_off_target frac_pairs_on_target frac_pairs_off_target frag_size_q20 frag_size_median frag_size_q80 proper_pairs frac_proper_pairs pairs_on_target pairs_off_target reads_on_target reads_off_target frag_size_mean frag_size_std dupes n_q20 n_q25 n_q30 n_bases fetal_AF_5.md.bam 2880619670 7594619 0.002636 709857421 0.753575 351079447 0.644681 0.344620 0.731116 0.268884 154 172 191 265584004 0.756478 194172690 71411314 457631819 244630983 174.866662 23.785982 2170762249 0.983850 0.948546 0.948546 413715607344