June 2009
Beginner to intermediate
428 pages
9h 48m
German
Content preview from Data Mining mit Microsoft SQL Server
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13.1. Überblick über Strukturen und Modelle
SQL Server Analysis Services unterscheiden zwischen Miningstrukturen und -modellen. Eine Miningstruktur ist eine tabellenähnliche Datenstruktur, welche die zu analysierenden Daten beinhaltet. Basierend auf einer Miningstruktur können beliebig viele Miningmodelle, welche die Daten dieser Struktur verwenden, erstellt werden.
Der Unterschied zwischen einer Miningstruktur und einem Miningmodell wird anhand des folgenden Beispiels veranschaulicht. Zum Analysieren von Kundendaten wird eine Miningstruktur erstellt, welche verschiedene Kundenattribute aufweist. Basierend auf dieser Struktur werden in weiterer Folge ein Mining-modell zur Repräsentation eines Entscheidungsbaums, sowie ein weiteres Modell mittels ...
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