Search Results for author: Lars van der Laan

Found 6 papers, 2 papers with code

Adaptive-TMLE for the Average Treatment Effect based on Randomized Controlled Trial Augmented with Real-World Data

no code implementations12 May 2024 Mark van der Laan, Sky Qiu, Lars van der Laan

We decompose the ATE estimand as the difference between a pooled-ATE estimand that integrates RCT and RWD and a bias estimand that captures the conditional effect of RCT enrollment on the outcome.

Self-Consistent Conformal Prediction

no code implementations11 Feb 2024 Lars van der Laan, Ahmed M. Alaa

Conformal prediction helps decision-makers quantify uncertainty in point predictions of outcomes, allowing for better risk management for actions.

Conformal Prediction Decision Making +3

Combining T-learning and DR-learning: a framework for oracle-efficient estimation of causal contrasts

no code implementations3 Feb 2024 Lars van der Laan, Marco Carone, Alex Luedtke

We introduce efficient plug-in (EP) learning, a novel framework for the estimation of heterogeneous causal contrasts, such as the conditional average treatment effect and conditional relative risk.

Estimating Uncertainty in Multimodal Foundation Models using Public Internet Data

1 code implementation15 Oct 2023 Shiladitya Dutta, Hongbo Wei, Lars van der Laan, Ahmed M. Alaa

Given a web-based calibration set, we apply conformal prediction with a novel conformity score that accounts for potential errors in retrieved web data.

Conformal Prediction Self-Supervised Learning +1

Adaptive debiased machine learning using data-driven model selection techniques

no code implementations24 Jul 2023 Lars van der Laan, Marco Carone, Alex Luedtke, Mark van der Laan

For this reason, practitioners may resort to simpler models based on parametric or semiparametric assumptions.

Model Selection valid

Causal isotonic calibration for heterogeneous treatment effects

1 code implementation27 Feb 2023 Lars van der Laan, Ernesto Ulloa-Pérez, Marco Carone, Alex Luedtke

We propose causal isotonic calibration, a novel nonparametric method for calibrating predictors of heterogeneous treatment effects.

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