---
name: "normalize-iHS"
section: "1"
platform: "linux"
package: "libvcflib-tools"
version: "1.0.12+dfsg-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/normalize-iHS"
---

# normalize-iHS(1)

## NAME

**normalize-iHS**

## SYNOPSIS

normalizeHS -s 0.01 -f input.txt

## DESCRIPTION

normalizes iHS or XP-EHH scores.

## OPTIONS

-

  ```
  A cross-population extended haplotype homozygosity (XP-EHH) score is
  directional: a positive score suggests selection is likely to have
  happened in population A, whereas a negative score suggests the same
  about population B. See for example
  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2687721/
  Output : **normalize-iHS** adds one additional column to input (normalized score).
  required: -f            -- Output from iHS or XPEHH
  optional: -s            -- Max AF diff for window [0.01]
  Type: genotype
  ```

## EXIT VALUES

- **0**

  Success

- **not 0**

  Failure

## SEE ALSO

[**vcflib**(1)](/vcflib/1.md)

## OTHER

## LICENSE

Copyright 2011-2024 (C) Erik Garrison and vcflib contributors. MIT licensed. Copyright 2020-2024 (C) Pjotr Prins.

## AUTHORS

Erik Garrison and vcflib contributors.