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_40.md.bam 2855867432 6679344 0.002339 733526799 0.743151 363372318 0.653883 0.337012 0.751098 0.248902 155 173 196 277407464 0.763425 208360302 69047162 479640393 247207062 181.971109 29.920046 2122340633 0.984032 0.949026 0.949026 410283084672