Many analytical tools integrate with Microsoft Excel, and for a simple reason: People who crunch numbers for a living spend a lot of time with spreadsheets. SQL Server 2005's data-mining algorithms offer powerful capabilities for analyzing data, but Microsoft didn't provide any out-of-the box tools for delivering data mining to the desktop until recently. In February 2007, Microsoft delivered the Data Mining Add-ins for Office 2007, which let you take advantage of SQL Server 2005 predictive anal...