Rui Li

2 Questions 5 Answers 0 Followers

Questions related from Rui Li

Heckman selection VS IPW for selection bias?

Hi folks on RG, which method would you prefer to use for addressing selection bias in longitudinal cohort studies - Heckman's selection model (for MNAR) or inverse-probability weighting...

01 October 2019 3,479 2 View

Interaction or subgroup analyses when the effect modifier is highly correlated with other covariates?

Hi All, I have a question regarding the choice of interaction vs subgroup analyses in the context of effect modification. If the effect modifier (e.g., sex) is highly correlated with or even...

31 August 2019 8,301 4 View