Supported by the National Natural Science Foundation of China(No.10801019);the Fundamental ResearchFunds for the Central Universities(BUPT2012RC0708)
Non-random missing data poses serious problems in longitudinal studies. The binomial distribution parameter becomes to be unidentifiable without any other auxiliary information or assumption when it suffers from ignor...
In this paper, the concept of distribution effect is proposed without the causal diagram. Following the notation of Stone [11], we assume that the exposure treatment X is an unknown deterministic function of the confo...