Man page - sambamba-flagstat(1)
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Manual
SAMBAMBA-FLAGSTAT
NAMESYNOPSIS
DESCRIPTION
OPTIONS
NAME
sambamba-flagstat - getting flag statistics from BAM file
SYNOPSIS
sambamba flagstat OPTIONS <input.bam>
DESCRIPTION
Outputs some statistics drawn from read flags.
First line contains numbers of QC-passed and QC-failed reads. Then come pairs of numbers, the former for QC-passed reads, the latter for QC-failed ones:
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duplicates |
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mapped reads (plus percentage relative to the numbers from the first line) |
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⢠|
reads with “is_paired“ flag set |
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paired reads which are first mates |
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paired reads which are second mates |
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paired reads with “proper_pair“ flag set (plus percentage relative to the numbers of QC-passed/failed reads with “is_paired“ flag set) |
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paired reads where both mates are mapped |
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paired reads where read itself is unmapped but mate is mapped |
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paired reads where mate is mapped to a different chromosome |
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the same as previous but mapping quality is not less than 5 |
OPTIONS
-t , --nthreads = NTHREADS
Specify number of threads to use for BAM decompression
-p , --show-progress
Show progressbar in STDERR