On 14/10/11 11:39, Redding, Matthew wrote:
Hi Rolf and Others,
Thanks Rolf for your suggestion.
I've had a look at segmented, but can't see how it can help.
My model is the solution to an ODE of a physical system. The fitted
parameters from
this model are the answers I require.
I'm not sure how segmented can help -- it is
a linear regression tool. Can you let me know how it could be used?
No I can't. You said you were trying to fit a "broken stick" model,
which is what the "segmented" package does. If you are not
fitting a model to data, then I have no idea as to how you might
proceed.
You have to make it much more clear what you are trying to do
before I (or anyone) can make constructive suggestions.
cheers,
Rolf Turner
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