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math.ST2022
The Optimality of Blocking Designs in Equally and Unequally Allocated Randomized Experiments with General Response
David Azriel, Abba M. Krieger, Adam Kapelner
We consider the performance of the difference-in-means estimator in a two-arm randomized experiment under common experimental endpoints such as continuous (regression), incidence,…
math.ST2016
Nearly Random Designs with Greatly Improved Balance
Abba M. Krieger, David Azriel, Adam Kapelner
We present a new experimental design procedure that divides a set of experimental units into two groups so that the two groups are balanced on a prespecified set of covariates and…