---
name: "gt-tallymer-occratio"
section: "1"
platform: "linux"
package: "genometools"
version: "1.6.5+ds-2.2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/gt-tallymer-occratio"
---

# gt-tallymer-occratio(1)

Compute occurrence ratio for a set of sequences represented by an enhanced suffix array.

## NAME

gt-tallymer-occratio - Compute occurrence ratio for a set of sequences represented by an enhanced suffix array.

## SYNOPSIS

**gt tallymer occratio** \[options\] -esa suffixerator-index \[options\]

## DESCRIPTION

- **-esa** \[*string*\]

  specify suffixerator-index (mandatory option) (default: undefined)

- **-minmersize** \[*value*\]

  specify minimum mer size for which to compute the occurrence distribution (default: 0)

- **-maxmersize** \[*value*\]

  specify maximum mer size for which to compute the occurrence distribution (default: 0)

- **-step** \[*value*\]

  specify step size when specifying mer sizes (default: 1)

- **-mersizes**

  specify mer sizes as non-empty sequence of non decreasing positive integers

- **-output**

  use combination of the following keywords: unique nonunique nonuniquemulti relative total to specify kind of output

- **-scan** \[*yes\|no*\]

  read suffixerator-index sequentially instead of mapping it to memory (default: no)

- **-v** \[*yes\|no*\]

  be verbose (default: no)

- **-help**

  display help and exit

- **-version**

  display version information and exit

## REPORTING BUGS

Report bugs to \<kurtz@zbh.uni-hamburg.de\>.
