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Maya L. Petersen

Researcher at University of California, Berkeley

Publications -  239
Citations -  8899

Maya L. Petersen is an academic researcher from University of California, Berkeley. The author has contributed to research in topics: Population & Medicine. The author has an hindex of 45, co-authored 202 publications receiving 6813 citations. Previous affiliations of Maya L. Petersen include Oswaldo Cruz Foundation & Makerere University.

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Diagnosing and Responding to Violations in the Positivity Assumption

TL;DR: The positivity assumption is discussed in the context of assessing model and parameter-specific identifiability of causal effects and several approaches for improving the identifiable of parameters in the presence of positivity violations are reviewed.
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Estimation of direct causal effects.

TL;DR: An estimation approach for natural direct effects that can be implemented using standard statistical software is presented, and the assumptions underlying the approach are reviewed (which are less restrictive than those proposed by previous authors).
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Mortality prediction in intensive care units with the Super ICU Learner Algorithm (SICULA): a population-based study

TL;DR: Compared with conventional severity scores, Super Learner offers improved performance for predicting hospital mortality in patients in intensive care units and showed better calibration properties than previous score systems.
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Retention in Care among HIV-Infected Patients in Resource-Limited Settings: Emerging Insights and New Directions

TL;DR: Research to assess and improve retention in care for HIV-infected patients can be strengthened by incorporating novel methods such as sampling-based approaches and a causal analytic framework.