Published by Dresner Advisory Services, an independent analyst firm specializing in Business Intelligence and related markets, this report contains 18 vendor rankings based on user responses from a wide swath of industries and organizational roles. Dresner considered core advanced and predictive features, including data preparation, usability, scalability, and integration. Just to be ranked required a minimum score of 20/35, and among the 18 qualifying vendors, Dell Statistica tied for second place with IBM and SAS. This comprehensive report provides detailed comparisons in an easy-to-read buyers' guide.