Dear R community members: The "R Cookbook" from O'Reilly is now available on-line in a Rough Cuts version. oreilly.com/catalog/9780596809164 The book is a collection of recipes for R covering a variety of topics, including: getting started, data structures, input and output, general statistics, graphics, linear regression, useful tricks, and more. I hope you find it useful. Paul PS - This announcement is shamelessly self-serving since I am the author. I apologize if I have offended anyone. Paul Teetor Elgin, IL USA linkedin.com/in/paulteetor "For quant traders, there are no bad days in the market. It's just more data."