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07/11/2023
Linear mixed models for complex survey data: implementing and evaluating pairwise likelihood
As complex-survey data becomes more widely used in health and social-sci...
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09/21/2022
Practical considerations for sandwich variance estimation in two-stage regression settings
We present a practical approach for computing the sandwich variance esti...
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08/26/2022
Privacy with Good Taste: A Case Study in Quantifying Privacy Risks in Genetic Scores
Analysis of genetic data opens up many opportunities for medical and sci...
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05/03/2022
Three-phase generalized raking and multiple imputation estimators to address error-prone data
Validation studies are often used to obtain more reliable information in...
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03/21/2022
Choosing good subsamples for regression modelling
A common problem in health research is that we have a large database wit...
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09/28/2021
Analysis of Error-prone Electronic Health Records with Multi-wave Validation Sampling: Association of Maternal Weight Gain during Pregnancy with Childhood Outcomes
Electronic health record (EHR) data are increasingly used for biomedical...
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06/17/2021
Optimum Allocation for Adaptive Multi-Wave Sampling in R: The R Package optimall
The R package optimall offers a collection of functions that efficiently...
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06/16/2021
Optimal sampling for design-based estimators of regression models
Two-phase designs measure variables of interest on a subcohort where the...
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06/03/2021
Multiple Imputation Through XGBoost
Multiple imputation is increasingly used in dealing with missing data. W...
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06/12/2020
Improved Generalized Raking Estimators to Address Dependent Covariate and Failure-Time Outcome Error
Biomedical studies that use electronic health records (EHR) data for inf...
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05/28/2020
Optimal multi-wave sampling for regression modelling in two-phase designs
Two-phase designs involve measuring extra variables on a subset of the c...
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05/12/2020
Two-phase analysis and study design for survival models with error-prone exposures
Increasingly, medical research is dependent on data collected for non-re...
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12/10/2019
Stylised Choropleth Maps for New Zealand Regions and District Health Boards
New Zealand has two top-level sets of administrative divisions: the Dist...
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10/02/2019
Combining multiple imputation with raking of weights in the setting of nearly-true models
Raking of weights is one approach to using data from the full cohort in ...
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05/20/2019
Raking and Regression Calibration: Methods to Address Bias from Correlated Covariate and Time-to-Event Error
Medical studies that depend on electronic health records (EHR) data are ...
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03/14/2018