Discussion of ‘Estimating time-varying causal excursion effects in mobile health with binary outcomes’
本文讨论了Qian等人（2021）提出的二元结果数据中因果游走效应估计量的贡献，并探讨了将其扩展到计数结果和观察性数据的可能性，同时提出了分析游走效应轨迹的替代方法和提高估计效率的途径。
Summary In this discussion, we examine the contributions of Qian et al. (2021) and potential applications of the newly developed estimator for the causal excursion effect in binary outcome data. Specifically, we consider extension of their method to count outcomes and observational data, propose an alternative use of their method for analysing excursion effect trajectories and discuss ways of improving estimator efficiency.