Search Results for author: Ruth H. Keogh

Found 3 papers, 2 papers with code

mecor: An R package for measurement error correction in linear regression models with a continuous outcome

no code implementations9 Feb 2021 Linda Nab, Maarten van Smeden, Ruth H. Keogh, Rolf H. H. Groenwold

In the package mecor, regression calibration methods and a maximum likelihood method are implemented to correct for measurement error in a continuous covariate in regression analyses.

Methodology 62-04

Simulating longitudinal data from marginal structural models using the additive hazard model

1 code implementation10 Feb 2020 Ruth H. Keogh, Shaun R. Seaman, Jon Michael Gran, Stijn Vansteelandt

Simulation studies are a key tool for this, but their use to evaluate causal inference methods has been limited.

Methodology

Multiple imputation in Cox regression when there are time-varying effects of exposures

1 code implementation28 Jun 2017 Ruth H. Keogh, Tim P. Morris

The methods also give approximately correct type I errors in the test for proportional hazards when there is no TVE, and gain power to detect TVEs relative to complete-case analysis.

Methodology

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