Frank Harrell describes a strategy in his book
(Regression Modeling Strategies) using restricted
cubic splines. The magnitude of Spearman's r^2
between the DV and predictor variable determine the
number of knots allocated per variable.
Scott Millis
--- Michael Klein <[email protected]> wrote:
> Does anyone have code for estimating a spline
> regression with a given
> number of knots, but where the location of the knots
> is to be estimated
> along with the slopes of the separate spline
> segments?
> Michael Klein
>
> --
> Michael W. Klein
> Professor of International Economics
> Fletcher School
> Tufts University
> Medford, Massachusetts 02155 U.S.A.
> Ph. 617 627 2718
> Fax 617 627 3712
> Web page:
> http://fletcher.tufts.edu/faculty/klein/default.asp
>
>
>
>
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>
=====
Scott R Millis, PhD, MEd, ABPP (CN & RP)
Director, Office of Clinical Trials
Kessler Medical Rehabilitation Research & Education Corp
1199 Pleasant Valley Way
West Orange, NJ 07052
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