Articles with keyword "fractional polynomials"

Model selection for univariable fractional polynomials

P. Royston. 2017.

Stata Journal Volume 17 Number 3.

A smooth covariate rank transformation for use in regression models with a sigmoid dose–response function

P. Royston. 2014.

Stata Journal Volume 14 Number 2.

Review of Multivariable Model-building: A Pragmatic Approach to Regression Analysis Based on Fractional Polynomials for Modeling Continuous Variables, by Royston and Sauerbrei

W. D. Dupont. 2010.

Stata Journal Volume 10 Number 2.

Bootstrap assessment of the stability of multivariable models

P. Royston and W. Sauerbrei. 2009.

Stata Journal Volume 9 Number 4.

Two techniques for investigating interactions between treatment and continuous covariates in clinical trials

P. Royston and W. Sauerbrei. 2009.

Stata Journal Volume 9 Number 2.