
> 
> Has anybody implemented/knows about ways to do in R regression
> based on t-distributed residuals?  I can write something with
> IRLS, but would like to know if I can aviud it.


The gnlr function in my gnlm library does this, including nonlinear
regression. This is moved to the gnlr3 function in version 0.3 soon to
be released. Jim 
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