Samenvatting
Die Überprüfung der Datenqualität ist entscheidend für eine zuverlässige Datenanalyse. Der Artikel hebt sieben wesentliche Tests hervor, darunter Überprüfungen auf Nullwerte, numerische Verteilung und Datenfrische. BI-Profis können diese Tests verwenden, um die Genauigkeit und Anwendbarkeit ihrer Daten sicherzustellen.
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