June 2009
Beginner to intermediate
428 pages
9h 48m
German
Content preview from Data Mining mit Microsoft SQL Server
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10.4. Leistung von Miningmodellen bewerten
Nachdem Sie ein Miningmodell erstellt haben, sollten Sie zunächst dessen Leistung bewerten, bevor Sie das Miningmodell für Vorhersagen nutzen. So ist sichergestellt, dass ein Miningmodell auch statistisch sinnvolle Werte liefert. Der Data Mining-Client beinhaltet für diesen Zweck mehrere Tools, die im Register Data Mining in der Gruppe Genauigkeit und Überprüfung zusammengefasst sind.
10.4.1. Genauigkeitsdiagramme zur Leistungsbewertung
Das am häufigsten verwendete Tool zur Leistungsbewertung von Miningmodellen ist die Erstellung eines Genauigkeitsdiagramms. In einem Genauigkeitsdiagramm können Sie sehr anschaulich erkennen, in welchem Bereich sich die Leistungsfähigkeit eines Miningmodells bewegt. ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.