MSAS - Introduction to Data Mining
The process of probing into a set of information for descriptive and predictive purposes is called data mining . The purpose is to identify those trends and patterns which indicate the direction of effort to achieve desired outcomes. SQL Server 2000 and Analysis Services, has inbuilt powerful data mining capabilities including algorithms for Clustering and for Decision Trees. Before actually studying the data mining capabilities of Analysis Services, let us briefly look at some terminology generally used while discussing data mining Understanding Terms used in Data Mining A case is the term used for the facts being studied. The data used to study these facts are called case sets. Each data mining case has a unique identifier called a key. Descriptive pieces of information are called attributes or measures. The case may contain information about a single table or from multiple tables. If there are multiple tables from which data is derived, such a case is defined as a case with nest...