Daniel Hom
Dan is the product manager for Tableau Public and has worked with product marketing for Tableau’s business products, new product experience and online training. In an earlier life, he built interactive data visualisations for major news publications including the Wall Street Journal, Fortune, Forbes and more. He has a certificate in data science, a multimedia journalism background and has worked at the Financial Times and Northwestern University’s Medill News Service.
VisualizationsTips & tricks: Alternatives to count distinct
24 May, 2013
Distinct counts are critical to analytics, whether it's counting individual patients in a hospital, the number of unique retail transactions or the number of aeroplanes in a fleet. Taking distinct counts in Tableau is incredibly easy with a one-click way to change aggregations to count distinct. It is also, however, one of the more intensive calculations to perform and can be very slow, especially if your data's huge. I'd like to share a few alternative ways to get the same answer as a count distinct.
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