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---
name: Bracken
url: https://ccb.jhu.edu/software/bracken/
description: >
is a highly accurate statistical method that computes the abundance of species
in DNA sequences from a metagenomics sample
---
This module works with Bracken output files that resemble Kraken reports. They look like the following:
```ts
100.00 1188381 0 R 1 root
100.00 1188380 0 R1 131567 cellular organisms
100.00 1188328 0 D 2 Bacteria
99.99 1188317 0 P 1224 Proteobacteria
99.99 1188308 0 C 1236 Gammaproteobacteria
99.99 1188285 0 O 91347 Enterobacterales
99.98 1188147 0 F 543 Enterobacteriaceae
```
The main assumption to tell Bracken reports from Kraken is that the former don't have
an "unassigned" category at the head of the file, and instead start with "root".
A bar graph is generated identical to that of Kraken.
|
