- 1. fitting a threshold model (score: 1)
- Author: Lauren Keim <lkeim@zen.uq.edu.au>
- Date: Mon, 13 May 2002 15:52:24 +1000
- I'm hoping that someone here can solve a problem that none of the S-plus wizards in my lab can solve. I'm investigating gecko distribution at suburban/forest edges - the data I have consists of the p
- /archives/html/s-news/2002-05/msg00093.html (7,661 bytes)
- 2. Re: fitting a threshold model (score: 1)
- Author: Prof Brian D Ripley <ripley@stats.ox.ac.uk>
- Date: Mon, 13 May 2002 08:26:04 +0100 (BST)
- Not surprisingly: it's not a linear model. You can write a function to compute the - log likelihood and minimize it over T. (It's not clear to me if Z is a parameter, but if it is, its MLE is simple
- /archives/html/s-news/2002-05/msg00094.html (9,708 bytes)
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