9 citations · 10 across the 3 of their papers we have counts for
3 papers
math.ST2016★ 1 cited
Novel Criteria to Exclude the Surrogate Paradox and Their Optimalities
Yunjian Yin, Lan Liu, Zhi Geng +1
When the primary outcome is hard to collect, surrogate endpoint is typically used as a substitute. However, even when the treatment has a positive average causal effect (ACE) on th…
stat.ME2014
Semiparametric Inference of the Complier Average Causal Effect with Nonignorable Missing Outcomes
Hua Chen, Peng Ding, Zhi Geng +1
Noncompliance and missing data often occur in randomized trials, which complicate the inference of causal effects. When both noncompliance and missing data are present, previous pa…
math.ST2014★ 9 cited
Qualitative Evaluation of Associations by the Transitivity of the Association Signs
Zhichao Jiang, Peng Ding, Zhi Geng
We say that the signs of association measures among three variables {X, Y, Z} are transitive if a positive association measure between the variable X and the intermediate variable…