June 2009
Beginner to intermediate
428 pages
9h 48m
German
Content preview from Data Mining mit Microsoft SQL Server
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14.1. Vorhersagen mit SINGLETON-Abfragen
SINGLETON-Abfragen bieten die Möglichkeit, Vorhersagen für einen bestimmten Datensatz, welcher für die Abfrage definiert wird, zu generieren. Solche Abfragen werden beispielsweise von Webshops, welche ermitteln wollen, mit welcher Wahrscheinlichkeit der aktuelle Benutzer ein bestimmtes Produkt kaufen wird, verwendet. In diesem Fall könnte der im Rahmen der SINGLETON-Abfrage definierte Datensatz aus den Profildaten dieses Benutzers bestehen.
Das folgende Beispiel demonstriert die Verwendung von SINGLETON-Abfragen. Das Ziel dieses Beispiels ist es, für eine bestimmte Person vorherzusagen, ob sowie mit welcher Wahrscheinlichkeit diese ein Fahrrad kaufen wird. Dazu kommt das in Kapitel 13 erzeugte Miningmodell ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.