June 2009
Beginner to intermediate
428 pages
9h 48m
German
Content preview from Data Mining mit Microsoft SQL Server
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10.1. Daten zur Auswertung vorbereiten
Für die Verwendung von Daten mit Data Mining ist die Qualität der Daten entscheidend, da unvollständige oder falsche Daten sich negativ auf die Mustererkennung auswirken können. Der Data Mining-Client bietet daher einige Tools, die Ihnen bei der Vorbereitung und Bereinigung von Daten helfen.
10.1.1. Daten durchsuchen und gruppieren
Oft enthalten Daten Werte, deren Verteilung schwer zu erkennen ist. Mit dem Tool Daten durchsuchen können Sie sich leicht einen Überblick über die Verteilung Ihrer Daten verschaffen. Außerdem kann das Tool genutzt werden, um Werte zu gruppieren, beziehungsweise zu diskretisieren. Dies ist vor allem für kontinuierliche numerische Daten wichtig, da einige Analysen nur für diskrete ...
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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.