Displaying 2 results from an estimated 2 matches for "royalsun".
2003 Jan 16
3
Overdispersed poisson - negative observation
Dear R users
I have been looking for functions that can deal with overdispersed poisson
models. Some (one) of the observations are negative. According to actuarial
literature (England & Verall, Stochastic Claims Reserving in General
Insurance , Institute of Actiuaries 2002) this can be handled through the
use of quasi likelihoods instead of normal likelihoods. The presence of
negatives is not
2009 Nov 16
3
R-help
...es for vectors a,b,c. I'm
not sure how to set this problem up as a function
in R. Any help would be much appreciated.
Regards
Lloyd Barcza
----- Forwarded by Lloyd Barcza/UK/RoyalSun on
16/11/2009 15:07 -----
Lloyd Barcza
Pricing Analyst
Affinity Pricing
Royal & SunAlliance
Tel: 01403 234784
Email: lloy...