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Foundations of SQL Server 2008 R2 Business Intelligence, Second Edition by Guy Fouché, Lynn Langit

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Understanding and Using the Included DataMining Algorithms

SQL Server ships with nine built-in data-mining algorithms. Before we start reviewing the individual algorithms, there’s a concept that will help you understand how to select the mining algorithm that best matches your business needs: supervision. Your options are to use a supervised or an unsupervised algorithm. Here is the difference.

A supervised mining modelsrequire you to select both input and predictable columns. This type is used when you not only know the values (or columns) that should serve as inputs but also when you have determined which value you want to predict.

An unsupervised mining models require you only to select input columns. This type is used earlier in your project ...

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