28. The Null Ritual: What You Always Wanted to Know About Significance Testing but Were Afraid to Ask 
(h/t Econstudentlog)
29. The Ecological Fallacy
30. Labeling the Vertical Axis in R Plots
31. Make a Christmas Tree in R with random ornaments/presents (det er stadig jul)
32. Text analysis made too easy with the tm package
33. Statistics Quotes