* {{:economics:mww:exact_mww.pdf|A short note}} on the approximated calculation of the p-value in the Mann-Whitney-Wilcoxon test.
  * The {{:economics:mww:prove_mannwhitney.ipynb|IPython notebook}} used to run the analysis.
  * The {{:economics:mww:mannwhitneywilcoxon.py|Python reimplementation}} of the exact computation that used (GPL v.3+, based on the R sourcecode).