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Re: st: RE: broken stick (piecewise linear) regression

From   Maarten buis <[email protected]>
To   [email protected]
Subject   Re: st: RE: broken stick (piecewise linear) regression
Date   Thu, 31 Jan 2008 21:20:14 +0000 (GMT)

--- Raphael Fraser <[email protected]> wrote:
> -nl- offers a solution but it is NOT a good one. I have tested it
> with data from the cited paper below and have been found lacking.

In what way? As I said before -nl- is sensitive to good starting
values, and if you give no starting values or very wrong ones that -nl-
can converge to a weird solution.

-- Maarten

Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

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