Michael W Chu, Julia A Cook, Sunil S Tholpady, Cecelia E Schmalbach, Arash Momeni
Facial Plastic Surgery Patient Resources Exceed National Institute Recommendations
The Journal of craniofacial surgery
many options doubly robust estimation however concerning trend applied literature believe combination propensity score adjusted outcome model automatically results doubly robust estimator andor misuse complex established doubly robust estimators simple alternative canonical link generalized linear models glm fit via inverse probability treatment propensity score weighted maximum likelihood estimation followed standardization g g formula average causal effect doubly robust estimation method aim reader able use method refer iptw glm doubly robust estimation fully understand doubly robust property reason define clearly multiple ways concepts needed understand method doubly robust addition want make clear mere combination propensity score weighting adjusted outcome model generally result doubly robust estimator finally hope dispel misconception one adjust residual confounding remaining propensity score weighting adjusting outcome model remains unbalanced even using doubly robust estimators provide r code simulations real opensource data examples followed stepbystep use hopefully understand iptw glm method also compare much betterknown still simple doubly robust estimator