All functions 


Causal Mediation Analysis 

The Sobel mediation test 

Estimation and Sensitivity Analysis for Multiple Causal Mechanisms 

Linear hypotheses for natural effect models 

Expand the dataset and impute nested counterfactual outcomes 

Linear hypotheses for natural effect models 

Fit a natural effect model 

Expand the dataset and calculate ratioofmediator probability weights 

Regressionbased causal mediation analysis 

Significance Test for TreatmentMediator Interaction in Causal Mediation Analysis 