Displaying 1 result from an estimated 1 matches for "aictweedie".
2010 Sep 30
1
AIC for tweedie glm
...TOTAL_DF_PERSUB~GROUP_SIZE+PERIOD+SITE+PERIOD*GROUP_SIZE,family=tweedie(var.power=out$p.max,link.power=0))
This worked fine, and gave results I expected, but I don't know what the
best method is to evaluate the fit of the model. I am used to using AIC to
compare models. A site search turned up AICtweedie, within the tweedie
package, but I get the following message: Error: could not find function
"AICtweedie" when I try to use this command, even though "tweedie" and
"statmod" are both loaded. I've also read that AIC can be calculated using
dtweedie, but I'm a be...