[ADMB Users] conditional statement using parameter to be estimated

Tiffany Vidal tiffany.vidal at gmail.com
Mon May 26 12:02:31 PDT 2014

Thank you for this example! It is really helpful to see an implementation
of this approach, and will certainly help me make some progress.

On Sat, May 24, 2014 at 11:33 AM, dave fournier <davef at otter-rsch.com>wrote:

> The way to do this is to use a differentiable logistic as Ben suggested.
> In addition you should use phases and gradually
> increase the steepness.  Finally as a technical matter you should use
> exp(z) in place of exp(-z) to avoid overflow when
> necessary.  See the attached changepoint.tpl
> To run this with multiple phase you would use the command line option
> -maxph 3
> Note use of value() function which will be needed in random effects model.
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