[R] Identity link in tweedie

From: Cristina Gomes <gomes_at_eva.mpg.de>
Date: Mon, 17 Dec 2007 17:28:51 +0100


Hi there,
I'm using the tweedie distribution package and I cant figure out how to run a model using an identity link. I know I can use a log link by having link.power=0 and I think identity would be link.power=1, but I'm not sure. Furthermore when I try running it with link.power=1 it requires starting values which I cant manage to give appropriately so I'm not sure if its actually an identity link its using. I can't find this info on the help page and I was wondering if somebody could give me a hand.
Thanks a lot.
Cheers,
Cristina.



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