helpcontent2/source/text/scalc/01/statistics_exposmooth.xhp


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<meta>
<topic id="exponentialsmooth" indexer="include" status="PUBLISH">
<title xml-lang="en-US" id="tit">Exponential Smoothing in Calc</title>
<filename>/text/scalc/01/statistics_exposmooth.xhp</filename>
</topic>
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<body>
<bookmark xml-lang="en-US" branch="index" id="bm_id03001">
<bookmark_value>Analysis toolpack;exponential smoothing</bookmark_value>
<bookmark_value>exponential smoothing;Analysis toolpack</bookmark_value>
<bookmark_value>Data statistics;exponential smoothing</bookmark_value>
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<section id="exponentialsmoothing">
    <h1 id="hd_id1000110"><variable id="exponentialsmoothingh1"><link href="text/scalc/01/statistics_exposmooth.xhp" name="Exponential Smoothing">Exponential Smoothing</link></variable></h1>
<paragraph id="par_id1002120" role="paragraph" xml-lang="en-US"><ahelp hid="modules/scalc/ui/exponentialsmoothingdialog/ExponentialSmoothingDialog">Results in a smoothed data series</ahelp></paragraph>
</section>
<section id="howtoget">
<paragraph id="par_id1002130" role="paragraph" xml-lang="en-US"><variable id="sam01">Choose <menuitem>Data - Statistics - Exponential Smoothing</menuitem></variable></paragraph>
</section>
<paragraph id="par_id1002140" role="paragraph" xml-lang="en-US">Exponential smoothing is a filtering technique that when applied to a data set, produces smoothed results. It is employed in many domains such as stock market, economics and in sampled measurements.</paragraph>
<note id="par_id1002150">For more information on exponential smoothing, refer to the <link href="https://en.wikipedia.org/wiki/Exponential_smoothing" name="English Wikipedia: Exponential smoothing">corresponding Wikipedia article</link>.</note><embed href="text/scalc/01/stat_data.xhp#data"/><embed href="text/scalc/01/stat_data.xhp#grouped"/>
<h2 id="hd_id1000120">Parameters</h2>
<paragraph id="par_id1002160" role="paragraph" xml-lang="en-US"><emph>Smoothing Factor</emph>: A parameter between 0 and 1 that represents the damping factor Alpha in the smoothing equation.</paragraph><embed href="text/scalc/01/stat_data.xhp#timeseries01"/>
<paragraph id="par_id1002170" role="paragraph" xml-lang="en-US">The resulting smoothing is below with smoothing factor as 0.5:</paragraph>
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<paragraph id="par_id1002180" role="tablehead" xml-lang="en-US">Alpha</paragraph>
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<paragraph id="par_id1002190" role="tablecontent" xml-lang="en-US" localize="false">0.5</paragraph>
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</tablecell>
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