What’s the data-driven journalism (#ddj) crowd tweeting about? Here are the week’s top ten data journalism links for Feb. 6-12. Explore ICIJ’s Swiss Leaks Data, make better inferences with statistical graphs (Edward Tufte), search for text more easily from OUseful.info, and more. This list is determined by NodeXL, a social media network mapping program. The full map is available at the bottom of this roundup.