June 2009
Beginner to intermediate
428 pages
9h 48m
German
Content preview from Data Mining mit Microsoft SQL Server
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15.2. Unterschiedliche Modelle vergleichen
Häufig ist es wünschenswert, die Leistung von unterschiedlichen Modellen zu vergleichen, um die optimalen Algorithmuseinstellungen, bzw. den optimalen Algorithmus für eine Problemstellung zu ermitteln. Das folgende Beispiel demonstriert, wie dies mittels der Validierung nach der HoldOut-Methode bewerkstelligt werden kann. Dazu wird die Struktur zunächst um weitere Modelle, welche auf anderen Algorithmen basieren, erweitert. Im Anschluss daran werden die Leistungen dieser Modelle mittels eines Prognosegütediagramms verglichen.
Öffnen Sie die Miningstruktur vTargetMail im Projektmappen-Explorer und wechseln Sie auf die Registerkarte Miningmodelle.
Wählen Sie den Menübefehl Miningmodell/Neues Miningmodell ...
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