Open Source data mining modules Question Title * 1. Which open source tools do you use or plan to use for data mining for your professional needs R RapidMiner Python Weka Other Other (please specify) Question Title * 2. Do you think that books which compare different tools, for example, RapidMiner vs R or Python vs. R etc would be useful? Very Useful Not very Useful Question Title * 3. How much would you be willing to pay for code modules that help you to accomplish specific data or text mining tasks using open source tools $2 $5 $10 Other Other (please specify) Question Title * 4. Please provide your email id (we may contact you if we have questions) Done