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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*fitting\s+a\s+threshold\s+model\s*$/: 2 ]

Total 2 documents matching your query.

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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