Is it a new product / company, or well established? Open source? Or free trial available? Price (*) Can work with big data (*) Compatible with other products Ease of use, GUI offered (*) Can work in batch / programmable mode (*) Offers an API Capability to fetch data on the Internet, or from database (SQL supported) Nice graphic capabilities (to visualize decision trees, for instance) (*) Read the 17 other criteria at http://bit.ly/18TI7r6 You may leave the list at any time by sending the command SIGNOFF allstat to [log in to unmask], leaving the subject line blank.