Displaying 1 result from an estimated 1 matches for "llhfunc".
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llfunc
2006 Jan 24
1
non-finite finite-difference value[]
...data, trace = TRUE)
generates the following message:
Zero-Inflated Count Model
Using logit to model zero vs non-zero
Using Negative Binomial for counts
dependent variable y:
Y
0 1 2 3
359 52 7 3
generating start values...done
MLE begins...
initial value 262.883959
error in optim(fn = llhfunc, par = stval, method = method, control =
control, :
non-finite finite-difference value [3]
Short version of my question:
what information does non-finite finite-difference value [3] give?
Extended version of my question:
Since zeroinfl() calls optim(), I assume, that an infinite value...