Search Results - "Royston, Patrick" :: K.UTB vyhledávací portál | TBU Library Retrieval Portal

Multiple Imputation of Missing Values: Update of Ice

Multiple Imputation of Missing Values: Update of Ice

by Royston, Patrick
Published in The Stata journal (01.12.2005)

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Journal Article

Multiple Imputation of Missing Values

Multiple Imputation of Missing Values

by Royston, Patrick
Published in The Stata journal (01.08.2004)

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Journal Article

Tools for Checking Calibration of a Cox Model in External Validation: Prediction of Population-Averaged Survival Curves Based on Risk Groups

Tools for Checking Calibration of a Cox Model in External Validation: Prediction of Population-Averaged Survival Curves Based on Risk Groups

by Royston, Patrick
Published in The Stata journal (01.04.2015)

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Journal Article

Multiple Imputation by Chained Equations (MICE): Implementation in Stata

Multiple Imputation by Chained Equations (MICE): Implementation in Stata

by Royston, Patrick, White, Ian
Published in Journal of statistical software (01.12.2011)

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Journal Article

Explained Variation for Survival Models

Explained Variation for Survival Models

by Royston, Patrick
Published in The Stata journal (01.02.2006)

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Journal Article

Imputing missing covariate values for the Cox model

Imputing missing covariate values for the Cox model

by White, Ian R., Royston, Patrick
Published in Statistics in medicine (10.07.2009)

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Journal Article

Multiple imputation using chained equations: Issues and guidance for practice

Multiple imputation using chained equations: Issues and guidance for practice

by White, Ian R., Royston, Patrick, Wood, Angela M.
Published in Statistics in medicine (20.02.2011)

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Journal Article

Selection of important variables and determination of functional form for continuous predictors in multivariable model building

Selection of important variables and determination of functional form for continuous predictors in multivariable model building

by Sauerbrei, Willi, Royston, Patrick, Binder, Harald
Published in Statistics in medicine (30.12.2007)

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Journal Article

The use of restricted mean survival time to estimate the treatment effect in randomized clinical trials when the proportional hazards assumption is in doubt

The use of restricted mean survival time to estimate the treatment effect in randomized clinical trials when the proportional hazards assumption is in doubt

by Royston, Patrick, Parmar, Mahesh K. B.
Published in Statistics in medicine (30.08.2011)

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Journal Article

Multiple Imputation of Missing Values: Update

Multiple Imputation of Missing Values: Update

by Royston, Patrick
Published in The Stata journal (01.06.2005)

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Journal Article

Tuning multiple imputation by predictive mean matching and local residual draws

Tuning multiple imputation by predictive mean matching and local residual draws

by Morris, Tim P, White, Ian R, Royston, Patrick
Published in BMC medical research methodology (05.06.2014)

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Journal Article

$Investigating treatment-effect modification by a continuous covariate in IPD meta-analysis: an approach using fractional polynomials$

Investigating treatment-effect modification by a continuous covariate in IPD meta-analysis: an approach using fractional polynomials

by Sauerbrei, Willi, Royston, Patrick
Published in BMC medical research methodology (06.04.2022)

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Journal Article

Risk prediction models: II. External validation, model updating, and impact assessment

Risk prediction models: II. External validation, model updating, and impact assessment

by Moons, Karel G M, Kengne, Andre Pascal, Grobbee, Diederick E, Royston, Patrick, Vergouwe, Yvonne, Altman, Douglas G, Woodward, Mark
Published in Heart (01.05.2012)

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Journal Article Book Review

Correcting for Optimistic Prediction in Small Data Sets

Correcting for Optimistic Prediction in Small Data Sets

by SMITH, Gordon C. S, SEAMAN, Shaun R, WOOD, Angela M, ROYSTON, Patrick, WHITE, Ian R
Published in American journal of epidemiology (01.08.2014)

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Journal Article

Dichotomizing continuous predictors in multiple regression: a bad idea

Dichotomizing continuous predictors in multiple regression: a bad idea

by Royston, Patrick, Altman, Douglas G., Sauerbrei, Willi
Published in Statistics in medicine (15.01.2006)

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Journal Article

The design of simulation studies in medical statistics

The design of simulation studies in medical statistics

by Burton, Andrea, Altman, Douglas G., Royston, Patrick, Holder, Roger L.
Published in Statistics in medicine (30.12.2006)

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Journal Article

Combining estimates of interest in prognostic modelling studies after multiple imputation: current practice and guidelines

Combining estimates of interest in prognostic modelling studies after multiple imputation: current practice and guidelines

by Marshall, Andrea, Altman, Douglas G, Holder, Roger L, Royston, Patrick
Published in BMC medical research methodology (28.07.2009)

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Journal Article

Reporting performance of prognostic models in cancer: a review

Reporting performance of prognostic models in cancer: a review

by Mallett, Susan, Royston, Patrick, Waters, Rachel, Dutton, Susan, Altman, Douglas G
Published in BMC medicine (30.03.2010)

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Journal Article

Meta‐analysis of non‐linear exposure‐outcome relationships using individual participant data: A comparison of two methods

Meta‐analysis of non‐linear exposure‐outcome relationships using individual participant data: A comparison of two methods

by White, Ian R., Kaptoge, Stephen, Royston, Patrick, Sauerbrei, Willi
Published in Statistics in medicine (10.02.2019)

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Journal Article

A new measure of prognostic separation in survival data

A new measure of prognostic separation in survival data

by Royston, Patrick, Sauerbrei, Willi
Published in Statistics in medicine (15.03.2004)

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Journal Article

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