| 2007 |
|---|
| 4 | EE | Willi Sauerbrei,
Patrick Royston,
Karina Zapien Arreola:
Detecting an interaction between treatment and a continuous covariate: A comparison of two approaches.
Computational Statistics & Data Analysis 51(8): 4054-4063 (2007) |
| 3 | EE | Patrick Royston,
Willi Sauerbrei:
Improving the robustness of fractional polynomial models by preliminary covariate transformation: A pragmatic approach.
Computational Statistics & Data Analysis 51(9): 4240-4253 (2007) |
| 2006 |
|---|
| 2 | EE | Willi Sauerbrei,
C. Meier-Hirmer,
A. Benner,
Patrick Royston:
Multivariable regression model building by using fractional polynomials: Description of SAS, STATA and R programs.
Computational Statistics & Data Analysis 50(12): 3464-3485 (2006) |
| 2002 |
|---|
| 1 | EE | Willi Sauerbrei,
Patrick Royston:
Determination of Functional Relationships for Continuous Variables by Using a Multivariable Fractional Polynomial Approach.
ISMDA 2002: 53-60 |
