.. image:: pystat.png :height: 20 :alt: Statistique :target: http://www.xavierdupre.fr/app/ensae_teaching_cs/helpsphinx/td_2a_notions.html#pour-un-profil-plutot-data-scientist .. _l-ml2a-testab: Tests A/B +++++++++ *à venir* *Lectures* * `Should We Condition on the Test for Pre-trends in Difference-in-Difference Designs? `_ * `On the Complexity of A/B Testing `_