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Hi, all
I am thinking about using two models to fit the
observations, one
is polynomial model
fit1:
catch~long+lat+long^2+lat^2+long*lat
the other is exponential model
fit2:
catch~alpha*exp((long-lat)^2)+beta
But I do not know how to prove the hypothesis that
fit2 is better than
fit1.
Can I use the function anova(fit2,
fit1)?
Thanks a lot!
yours,
rui
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Rui
Zhang
Department of Spatial Information Science and Engineering
5711
Boardman Hall, Room 248
University of Maine
Orono, ME
04469-5711
USA
email:rzhang@spatial.maine.edu
home:www.spatial.maine.edu/~rzhang
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