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    <title>topic Re: Count new and existing customers in App Development</title>
    <link>https://community.qlik.com/t5/App-Development/Count-new-and-existing-customers/m-p/1520866#M37294</link>
    <description>&lt;P&gt;I figured out the following:&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;=Count( distinct{$&amp;lt;[Faktuurdatum.autoCalendar.Year]={$(=Year(Today()))}&amp;gt;}[Debiteur-nr-Debiteurnr])&lt;/P&gt;&lt;P&gt;Where [Faktuurdatum] = order date and [&lt;SPAN&gt;Debiteur-nr-Debiteurnr] = customer id.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;This returns the customers who placed an order in this year.&amp;nbsp;T&lt;SPAN&gt;he expression does not look if it is the first time ever the customer has ordered.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Does anyone have any tips or tricks?&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;It would be very much appriciated! &lt;span class="lia-unicode-emoji" title=":slightly_smiling_face:"&gt;🙂&lt;/span&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Fri, 14 Dec 2018 09:41:05 GMT</pubDate>
    <dc:creator>Rick_T</dc:creator>
    <dc:date>2018-12-14T09:41:05Z</dc:date>
    <item>
      <title>Count new and existing customers</title>
      <link>https://community.qlik.com/t5/App-Development/Count-new-and-existing-customers/m-p/1520594#M37259</link>
      <description>&lt;P&gt;Hello all,&amp;nbsp;I am looking for a way to count new en existing customers. I would like to do this per month and per year seperately. So how many new customers do I have this month compared to previous months, and how many new customers do I have this year compared to previous years?&amp;nbsp;&lt;/P&gt;&lt;P&gt;I work with the following data and corresponding columns:&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Wed, 22 Dec 2021 15:42:54 GMT</pubDate>
      <guid>https://community.qlik.com/t5/App-Development/Count-new-and-existing-customers/m-p/1520594#M37259</guid>
      <dc:creator>Rick_T</dc:creator>
      <dc:date>2021-12-22T15:42:54Z</dc:date>
    </item>
    <item>
      <title>Re: Count new and existing customers</title>
      <link>https://community.qlik.com/t5/App-Development/Count-new-and-existing-customers/m-p/1520866#M37294</link>
      <description>&lt;P&gt;I figured out the following:&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;=Count( distinct{$&amp;lt;[Faktuurdatum.autoCalendar.Year]={$(=Year(Today()))}&amp;gt;}[Debiteur-nr-Debiteurnr])&lt;/P&gt;&lt;P&gt;Where [Faktuurdatum] = order date and [&lt;SPAN&gt;Debiteur-nr-Debiteurnr] = customer id.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;This returns the customers who placed an order in this year.&amp;nbsp;T&lt;SPAN&gt;he expression does not look if it is the first time ever the customer has ordered.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Does anyone have any tips or tricks?&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;It would be very much appriciated! &lt;span class="lia-unicode-emoji" title=":slightly_smiling_face:"&gt;🙂&lt;/span&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 14 Dec 2018 09:41:05 GMT</pubDate>
      <guid>https://community.qlik.com/t5/App-Development/Count-new-and-existing-customers/m-p/1520866#M37294</guid>
      <dc:creator>Rick_T</dc:creator>
      <dc:date>2018-12-14T09:41:05Z</dc:date>
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