U.S. District Court Judge Vaughn Walker received a technology tutorial Friday, in preparation to hear the U.S. Department of Justice antitrust case against Oracle next month.

In part 1 of our hands-on series, we explain why R's a great choice for basic data analysis and visualization work, and how to get started.

Using oracle cards does not require special psychic abilities; instead, they encourage personal reflection and exploration. To get started, you shuffle the deck while focusing on a question or ...