http://andrewgelman.com/2013/03/02/classification-error/
Statistical Modeling, Causal Inference, and Social Science 03/02/2013
http://www.johndcook.com/blog/2013/03/02/functional-means/
The Endeavour 03/02/2013
http://feedproxy.google.com/~r/TheEndeavour/~3/M85Ev1-91sQ/
http://andrewgelman.com/2013/03/02/fishing-for-cherries/