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Detecting an interaction between treatment and a continuous covariate: A comparison of two approaches

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  • Sauerbrei, Willi
  • Royston, Patrick
  • Zapien, Karina

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  • Sauerbrei, Willi & Royston, Patrick & Zapien, Karina, 2007. "Detecting an interaction between treatment and a continuous covariate: A comparison of two approaches," Computational Statistics & Data Analysis, Elsevier, vol. 51(8), pages 4054-4063, May.
    • Handle: RePEc:eee:csdana:v:51:y:2007:i:8:p:4054-4063
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    References listed on IDEAS

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    1. Patrick Royston & Gareth Ambler, 1999. "Multivariable fractional polynomials," Stata Technical Bulletin, StataCorp LP, vol. 8(43).
    2. Kehl, Victoria & Ulm, Kurt, 2006. "Responder identification in clinical trials with censored data," Computational Statistics & Data Analysis, Elsevier, vol. 50(5), pages 1338-1355, March.
    3. Patrick Royston, 2005. "Multivariable regression models with continuous covariates, with a practical emphasis on fractional polynomials and applications in clinical epidemiology," German Stata Users' Group Meetings 2005 01, Stata Users Group.
    4. Patrick Royston & Douglas G. Altman, 1994. "Regression Using Fractional Polynomials of Continuous Covariates: Parsimonious Parametric Modelling," Journal of the Royal Statistical Society Series C, Royal Statistical Society, vol. 43(3), pages 429-453, September.
    5. W. Sauerbrei & P. Royston, 1999. "Building multivariable prognostic and diagnostic models: transformation of the predictors by using fractional polynomials," Journal of the Royal Statistical Society Series A, Royal Statistical Society, vol. 162(1), pages 71-94.
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    Cited by:

    1. Engel, Christoph, 2020. "Estimating heterogeneous reactions to experimental treatments," Journal of Economic Behavior & Organization, Elsevier, vol. 178(C), pages 124-147.
    2. Graham K. Brown & Thanos Mergoupis, 2011. "Treatment interactions with nonexperimental data in Stata," Stata Journal, StataCorp LP, vol. 11(4), pages 545-555, December.
    3. repec:eid:wpaper:10/10 is not listed on IDEAS
    4. Patrick Royston & Willi Sauerbrei, 2009. "Two techniques for investigating interactions between treatment and continuous covariates in clinical trials," Stata Journal, StataCorp LP, vol. 9(2), pages 230-251, June.

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