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mod_ban
2006 Jul 20
0
Convergence warnings from zeroinfl (package pscl)
...lm.fit(X, Y, family = poisson())
2: fitted rates numerically 0 occurred in: glm.fit(X, Y, family =
poisson()) >>
suggest that it did not converge. (See full output below.)
Could some possibly help me to interpret these results?
Thanks for your time,
Dan
> zip3=zeroinfl(count=round(modAbun*1000) ~ .,
+ x=~mod*intact,
+ z=~1,
+ dist="negbin",
+ trace=TRUE,
+ data=beetles)
Zero-Inflated Count Model
Using logit to model zero vs non-zero
Using Negative Binomial for counts
dependent variable y:
Y
0 10 11 14 17 19 21 23 25 28
31...