[R] about L-BFGS-B

[J C Nash]

You have the answer in the error message: the objective function has
been calculated as +/-Inf somehow. You are going to have to figure
out where the function is computed and why it is not finite.

JN

On 2021-08-15 12:41 a.m., 최병권 wrote:
> Hello Dear,
> 
> I am Choy from Seoul.
> I have a question about R
> 
> Is it possible to answer the error that occurred while executing R?
> I am currently doing zero inflated regression because the data follows a
> poisson distribution.
> 
> 
> However, for glm.c <http://glm.cm>mp (rndclass ~ CR4), the results are
> normally displayed, but when an independent variable is added, the
> following error message is displayed:
> 
> #Error in optim(par.init, loglik, method = optim.method, control =
> optim.control,  :
>   L-BFGS-B needs finite values of 'fn'
> 
> 
> I can't solve it, but I'd appreciate it if you could help.
> 
> For reference, the estimated regression equation is attached below.
> 
> # A CMP example with offset terms
>  cmp.m3 = glm.cmp(rndclass ~ CR4 + offset(CR4), data=dta)  -(1)
>  print(cmp.m3)
> 
>  # A ZICMP example with offset terms.
> 
>  zicmp.m4 = glm.cmp(rndclass ~ CR4+offset(CR4),
>                     formula.nu = ~ offset(CR4),
>                       formula.p = ~ CR4+offset(CR4), data=dta)  -(2)
> 
> # dependent variable:
> 
>  summary(dta$rndc)
>     0     1     2     3
> 12398  1290 11341   109
> 
> Thank you
> 
> Best
> Choy
> 
> 	[[alternative HTML version deleted]]
> 
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