Questions tagged [doubly-robust-estimator]

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1answer
63 views

Is the emmeans R package performing causal inference G-computation?

So I am trying to get an understanding of causal inference and how it differs from the usual contrasts. I regularly use the emmeans package in R, and I am wondering when the function emmeans() ...
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0answers
19 views

Evaluation metrics for an RL model. How to select then?

I trained an RL model adapting the RL batch example (Jupyter Notebook) to the problem I was aiming to solve. As for the training, everything went well but, even though the RL batch returned several ...
1
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0answers
42 views

Doubly Robust Estimator

When use Doubly Robust Estimator we train m0/m1 models and propensity score model to be used by the estimator. Is it OK to use the same dataset to train those models and then use them to measure ATE ...
2
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0answers
68 views

Variance for a doubly-robust CATE estimator

I am interested in how the variance for the conditional average treatment effect (CATE) is calculated for the doubly robust pseudo-outcome approach. Below are the exact details of the problem and my ...
1
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1answer
54 views

Problem to implement Bang & Robins double robust estimator

I have a question with regard to the implementation of Bang & Robins (2005) double robust estimator of a treatment effect (formula at the bottom of page 964). The idea of their estimator is to ...
3
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0answers
201 views

Theory behind Targeted Maximum Likelihood Estimation (TMLE)

There are many fine how-to articles describing how to implement TMLE but they avoid the details of the underlying theory. I'm currently working my way through Targeted Learning: Causal Inference for ...
2
votes
1answer
151 views

Does a doubly robust estimator magnify bias if *both* the outcome regression and inverse propensity score weighting are incorrect models?

The doubly robust estimator is a popular method for measuring the average treatment effect with observational data (assuming no unmeasured confounders): $$ \hat{\Delta}_{DR} = n^{-1}\sum_{i=1}^n \...