AIComponents Data Mining Add-In for Excelhttp://www.aicomponents.com
This tool allows you to apply clustering, decision trees, neural networks, and association rules to your data in Excel. Wizards are used for training and prediction. Model viewers, that include tree views and cluster plots, allow mining model results to be viewed. Both continuous and discrete value types can be processed. A comprehensive range of prediction facilities exist. Continuous data can be discretized.