Jason, I did not review this paper in detail but it appears relevant:
Jisheng Cui, Nick de Klerk, Michael Abramson, Anthony Del Monaco,
Geza Benke, Martine Dennekamp, Arthur W. Musk, and Malcolm Sim
Fractional Polynomials and Model Selection in Generalized Estimating
Equations Analysis, With an Application to a Longitudinal
Epidemiologic Study in Australia Am. J. Epidemiol. 2009 169: 113-121;
doi:10.1093/aje/kwn292.
http://aje.oxfordjournals.org/cgi/content/abstract/169/1/113?etoc
It seems the authors apply -fracpoly- in their analysis.
On Sun, Dec 28, 2008 at 10:31 PM, <[email protected]> wrote:
> I'm new to fractional polynomial models. Is there a longitudinal data option
> for mfracpol or fracpoly?
>
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