[R] model II regression - how do I do it?

Gavin Simpson gavin.simpson at ucl.ac.uk
Fri Aug 29 19:46:00 CEST 2008

On Fri, 2008-08-29 at 15:37 -0200, Danilo Muniz wrote:
> I need to do a model II linear regression, but I could not find out how!!
> I tryed to use the lm function, but I did not discovered how to specify the
> model (type I or type II) to the function... could you help me?

Jari Oksanen and Pierre Legendre have been working on a Model II
regression package/functions. These will be added to the Vegan R-Forge
repository real soon now.

If you don't get any other suggestions, then perhaps you could contact
Jari directly to enquire about the code if "real soon now" is not soon
enough for you.

Vegan details are here:


Where you can get Jari's email address as well.



 Dr. Gavin Simpson             [t] +44 (0)20 7679 0522
 ECRC, UCL Geography,          [f] +44 (0)20 7679 0565
 Pearson Building,             [e] gavin.simpsonATNOSPAMucl.ac.uk
 Gower Street, London          [w] http://www.ucl.ac.uk/~ucfagls/
 UK. WC1E 6BT.                 [w] http://www.freshwaters.org.uk

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