To: Corey Callaghan ccallaghan2...@fau.edu
Cc: R help \(r-help@r-project.org\) r-help@r-project.org
Subject: Re: [R] Help with nonlinear least squares regression curve
fitting
Message-ID:
cahygmd6rruc_aobhrhw7babxnmzrsbi4b7zjt0vn5lrwvw2...@mail.gmail.com
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Hi everyone. This is my first post to this forum and I'm hoping someone can
help.
I'm trying to finish up some analysis for my thesis and this is the last
problem I have. I have calculated data for 15 different species of birds;
below is an example of one species and what the data might look
Finding starting values is a bit of a dark art. That said, there are steps
you can take, but it may take time.
First, I would scale Year so that it's not in the thousands! Experiment
with subtracting 1980 or so. For specific advice, see inline.
On Thu, Feb 26, 2015 at 3:03 AM, Corey Callaghan
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