June 2009
Beginner to intermediate
428 pages
9h 48m
German
Content preview from Data Mining mit Microsoft SQL Server
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15.3. Durchführen einer Kreuzvalidierung
SQL Server Analysis Services 2008 bieten neben der Validierung nach der HoldOut-Methode auch die Möglichkeit zur Kreuzvalidierung (siehe Kapitel 4).
NOTE
Die Möglichkeiten zur Kreuzvalidierung stehen in SQL Server Analysis Services 2005 nicht zur Verfügung.
15.3.1. Rahmenbedingungen für Kreuzvalidierung festlegen
Zum Festlegen der Rahmenbedingungen für eine Kreuzvalidierung wird im Business Intelligence Development Studio zunächst auf die Registerkarte Mininggenauigkeitsdiagramm und danach auf die sich darin befindliche Registerkarte Kreuzvalidierung gewechselt (siehe Abbildung 15.12). Hier können die gewünschten Rahmenbedingungen für die durchzuführende Kreuzvalidierung festgelegt werden. Über das ...
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