Patrick Royston

Available identifiers

zbMath Open royston.patrickMaRDI QIDQ1020052

List of research outcomes

Publication	Date of Publication	Type
Doug Altman: Driving critical appraisal and improvements in the quality of methodological and medical research	2023-11-23	Paper
A New Proposal for Multivariable Modelling of Time‐Varying Effects in Survival Data Based on Fractional Polynomial Time‐Transformation	2020-09-25	Paper
The estimation and use of predictions for the assessment of model performance using large samples with multiply imputed data	2015-11-16	Paper
Avoiding bias due to perfect prediction in multiple imputation of incomplete categorical variables	2014-04-14	Paper
Analysing covariates with spike at zero: A modified FP procedure and conceptual issues	2012-10-02	Paper
Detecting an interaction between treatment and a continuous covariate: a comparison of two approaches	2009-05-29	Paper
Improving the robustness of fractional polynomial models by preliminary covariate transformation: a pragmatic approach	2009-05-29	Paper
Multivariable regression model building by using fractional polynomials: description of SAS, STATA and R programs	2008-12-11	Paper
Multivariable Model‐Building	2008-06-25	Paper
A comparison of imputation techniques for handling missing predictor values in a risk model with a binary outcome	2007-11-07	Paper
The Impact of Dichotomization on the Efficiency of Testing for an Interaction Effect in Exponential Family Models	2007-08-20	Paper
A New Approach to Modeling Daily Probabilities of Conception	2005-04-18	Paper
The Lognormal Distribution as a Model for Survival Time in Cancer, With an Emphasis on Prognostic Factors	2004-06-15	Paper
https://portal.mardi4nfdi.de/entity/Q4423442	2003-09-08	Paper
Fractional polynomial model selection procedures: investigation of type i error rate	2001-10-10	Paper
A parametric model for ordinal response data, with application to estimating age-specific reference intervals	2000-01-01	Paper
Dotplots	1996-12-15	Paper
Comparing Non-Nested Regression Models	1995-11-28	Paper
Graphical Detection of Non-Normality by Using Michael's Statistic	1995-08-17	Paper

Research outcomes over time

Doctoral students

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Known relations from the MaRDI Knowledge Graph

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