COMPATIBLE MODELS 3 DOUBLY ROBUST ESTIMATION 3 ESTIMACION DOBLE ROBUSTA 3 ESTIMACION MULTIPLE ROBUSTA 3 ESTIMACION NO PARAMETRICA 3 G-FORMULA 3 MARGINAL STRUCTURAL MEAN MODELS 3 MODELOS COMPATIBLES 3 MODELOS MARGINALES ESTRUCTURALES PARA LA MEDIA 3 MULTIPLY ROBUST ESTIMATION 3 NON-PARAMETRIC ESTIMATION 3 Bootstrap confidence interval 2 Discernibility 2 Hölder density 2 Non-parametric estimations 2 Nonparametric estimation 2 Nonparametric estimators 2 Riemannian manifolds 2 Simulation studies 2 Statistical methods 2 Statistics 2 environmental data 2 hypothesis test 2 non-parametric estimation 2 partly linear models 2