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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
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<meta>
<topic id="ID" indexer="include" status="PUBLISH">
<title id="tit">Data Correlation in Calc</title>
<filename>/text/scalc/01/statistics_correlation.xhp</filename>
</topic>
</meta>
<body>
<bookmark branch="index" id="bm_id1464278">
<bookmark_value>Analysis toolpack;correlation</bookmark_value>
<bookmark_value>correlation;Analysis toolpack</bookmark_value>
<bookmark_value>Data statistics;correlation</bookmark_value>
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<bookmark branch="hid/.uno:CorrelationDialog" id="bm_id51704458389030" localize="false"/>
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<section id="correlation">
<h1 id="hd_id1000090"><variable id="correlationh1"><link href="text/scalc/01/statistics_correlation.xhp">Correlation</link></variable></h1>
<paragraph id="par_id1001740" role="paragraph"><ahelp hid="modules/scalc/ui/correlationdialog/CorrelationDialog">Calculates the correlation of two sets of numeric data.</ahelp></paragraph>
</section>
<section id="howtoget">
<embed href="text/scalc/00/00000412.xhp#stat_correlation"/>
</section>
<paragraph id="par_id1001760" role="paragraph">The correlation coefficient (a value between -1 and +1) means how strongly two variables are related to each other. You can use the CORREL function or the Data Statistics to find the correlation coefficient between two variables.</paragraph>
<paragraph id="par_id1001770" role="paragraph">A correlation coefficient of +1 indicates a perfect positive correlation. </paragraph>
<paragraph id="par_id1001780" role="paragraph">A correlation coefficient of -1 indicates a perfect negative correlation</paragraph>
<note id="par_id1001790">For more information on statistical correlation, refer to the <link href="https://en.wikipedia.org/wiki/Correlation">corresponding Wikipedia article</link>.</note>
<embed href="text/scalc/01/stat_data.xhp#data"/>
<embed href="text/scalc/01/stat_data.xhp#grouped"/>
<embed href="text/scalc/06/calcsamplefiles.xhp#samplestatfile"/>
<embed href="text/scalc/01/stat_data.xhp#sampledata01"/>
<paragraph id="par_id1001800" role="paragraph">The following table displays the results of the correlation of the sample data above.</paragraph>
<table id="Tabela6">
<tablerow>
<tablecell>
<paragraph id="par_id1001810" role="tablehead">Correlations</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1001820" role="tablehead">Column 1</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1001830" role="tablehead">Column 2</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1001840" role="tablehead">Column 3</paragraph>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1001850" role="tablehead">Column 1</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1001860" role="tablecontent" localize="false">1</paragraph>
</tablecell>
<tablecell>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1001870" role="tablehead">Column 2</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1001880" role="tablecontent" localize="false">-0.4029254917</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1001890" role="tablecontent" localize="false">1</paragraph>
</tablecell>
<tablecell>
</tablecell>
</tablerow>
<tablerow>
<tablecell>
<paragraph id="par_id1001900" role="tablehead">Column 3</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1001910" role="tablecontent" localize="false">-0.2107642836</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1001920" role="tablecontent" localize="false">0.2309714048</paragraph>
</tablecell>
<tablecell>
<paragraph id="par_id1001930" role="tablecontent" localize="false">1</paragraph>
</tablecell>
</tablerow>
</table>
<section id="relatedtopics">
<embed href="text/scalc/01/stat_data.xhp#otherstat"/>
</section>
</body>
</helpdocument>
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