<?xml version="1.0" encoding="UTF-8"?>
<oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:title>Echogram Visualisation and Analysis</dc:title>
  <dc:title>R package echogram version 0.1.3</dc:title>
  <dc:description>Easily import multi-frequency acoustic data stored in 'HAC' files (see &lt;doi:10.17895/ices.pub.5482&gt; for more information on the format), and produce echogram visualisations with predefined or customized color palettes. It is also possible to merge consecutive echograms; mask or delete unwanted echogram areas; model and subtract background noise; and more important, develop, test and interpret different combinations of frequencies in order to perform acoustic filtering of the echogram's data. </dc:description>
  <dc:type>Software</dc:type>
  <dc:relation>Depends: R (&gt;= 3.0.0)</dc:relation>
  <dc:relation>Imports: geosphere, readHAC, pals</dc:relation>
  <dc:creator>Héctor Villalobos &lt;hvillalo@ipn.mx&gt;</dc:creator>
  <dc:publisher>Comprehensive R Archive Network (CRAN)</dc:publisher>
  <dc:contributor>Héctor Villalobos [aut, cre] (ORCID:
    &lt;https://orcid.org/0000-0002-6424-4050&gt;)</dc:contributor>
  <dc:rights>GPL-3</dc:rights>
  <dc:date>2025-04-13</dc:date>
  <dc:format>application/tgz</dc:format>
  <dc:identifier>https://CRAN.R-project.org/package=echogram</dc:identifier>
  <dc:identifier>doi:10.32614/CRAN.package.echogram</dc:identifier>
</oai_dc:dc>