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Peter Austin

@Stats_research

Statistician working in statistical methods for observational studies. Interested in propensity score methods for causal inference. All views my own.
Toronto, Ontario Joined February 2012
16 Following 439 Followers 64 Posts

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Peter Austin @Stats_research
Graphical methods to illustrate the nature of the relation between a continuous variable and the outcome when using restricted cubic splines with a Cox proportional hazards model. Open access paper in SMMR. #statstwitter #stats journals.sagepub.com/doi/10.1177/09…
journals.sagepub.com Graphical methods to illustrate the nature of the relation between a continuous variable and the... Restricted cubic splines (RCS) allow analysts to model nonlinear relations between continuous covariates and the outcome in a regression model. When using RCS w...
Peter Austin @Stats_research
New open access paper on Imputation of incomplete ordinal and nominal data by predictive mean matching in Statistical Methods for Medical Research. journals.sagepub.com/doi/10.1177/09…
journals.sagepub.com Imputation of incomplete ordinal and nominal data by predictive mean matching - Peter C Austin,... Multivariate imputation using chained equations is a popular algorithm for imputing missing data that entails specifying multivariable models through conditiona...
Peter Austin @Stats_research
Open access paper on evaluating the median p-value method for assessing the statistical significance of tests when using multiple imputation tandfonline.com/doi/full/10.10…
www.tandfonline.com Evaluating the median p-value method for assessing the statistical significance of tests when using... Rubin’s Rules are commonly used to pool the results of statistical analyses across imputed samples when using multiple imputation. Rubin’s Rules cannot be used when the result of an analysis in an ...
Peter Austin @Stats_research
Open access paper on a Variance Estimator for Marginal Cox Regression Models Fit to Non-Nested Multilevel or Clustered Data. #multilevel #statistics #clustereddata #survivalanalysis onlinelibrary.wiley.com/doi/10.1002/si…
onlinelibrary.wiley.com A Variance Estimator for Marginal Cox Regression Models Fit to Non‐Nested Multilevel Data In health services research, researchers often use clustered data to estimate the independent association between individual outcomes and cluster-level covariates after adjusting for individual-lev...
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