Targeted maximum likelihood estimation for dynamic and static longitudinal marginal structural working models

M Petersen, J Schwab, S Gruber, N Blaser… - Journal of causal …, 2014 - degruyter.com
This paper describes a targeted maximum likelihood estimator (TMLE) for the parameters of
longitudinal static and dynamic marginal structural models. We consider a longitudinal data …

Two-stage TMLE to reduce bias and improve efficiency in cluster randomized trials

LB Balzer, M van der Laan, J Ayieko, M Kamya… - …, 2023 - academic.oup.com
Cluster randomized trials (CRTs) randomly assign an intervention to groups of individuals
(eg, clinics or communities) and measure outcomes on individuals in those groups. While …

Invited commentary: demystifying statistical inference when using machine learning in causal research

LB Balzer, T Westling - American Journal of Epidemiology, 2023 - academic.oup.com
In this issue, Naimi et al.(Am J Epidemiol. 2023; 192 (9): 1536–1544) discuss a critical topic
in public health and beyond: obtaining valid statistical inference when using machine …

State-level masking mandates and COVID-19 outcomes in the United States: a demonstration of the causal roadmap

AK Wong, LB Balzer - Epidemiology, 2022 - journals.lww.com
Background: We sought to investigate the effect of public masking mandates in US states on
COVID-19 at the national level in Fall 2020. Specifically, we aimed to evaluate how the …

Data-adaptive selection of the propensity score truncation level for inverse-probability–weighted and targeted maximum likelihood estimators of marginal point …

S Gruber, RV Phillips, H Lee… - American Journal of …, 2022 - academic.oup.com
Inverse probability weighting (IPW) and targeted maximum likelihood estimation (TMLE) are
methodologies that can adjust for confounding and selection bias and are often used for …

Using longitudinal targeted maximum likelihood estimation in complex settings with dynamic interventions

M Schomaker, MA Luque‐Fernandez… - Statistics in …, 2019 - Wiley Online Library
Longitudinal targeted maximum likelihood estimation (LTMLE) has very rarely been used to
estimate dynamic treatment effects in the context of time‐dependent confounding affected by …

Targeted estimation and inference for the sample average treatment effect in trials with and without pair‐matching

LB Balzer, ML Petersen, MJ van der Laan… - Statistics in …, 2016 - Wiley Online Library
In cluster randomized trials, the study units usually are not a simple random sample from
some clearly defined target population. Instead, the target population tends to be …

Targeted maximum likelihood estimation for pharmacoepidemiologic research

M Pang, T Schuster, KB Filion, M Eberg, RW Platt - Epidemiology, 2016 - journals.lww.com
Background: Targeted maximum likelihood estimation has been proposed for estimating
marginal causal effects, and is robust to misspecification of either the treatment or outcome …

Far from MCAR: obtaining population-level estimates of HIV viral suppression

LB Balzer, J Ayieko, D Kwarisiima, G Chamie… - …, 2020 - journals.lww.com
Background: Population-level estimates of disease prevalence and control are needed to
assess prevention and treatment strategies. However, available data often suffer from …

Understanding and diagnosing the potential for bias when using machine learning methods with doubly robust causal estimators

A Bahamyirou, L Blais, A Forget… - Statistical methods in …, 2019 - journals.sagepub.com
Data-adaptive methods have been proposed to estimate nuisance parameters when using
doubly robust semiparametric methods for estimating marginal causal effects. However, in …