[R] bbmle "Warning: optimization did not converge"

[Michael Weylandt]

On Nov 25, 2012, at 1:52 PM, arun4 <arun.ganesh2012 at gmail.com> wrote:

> I am using the Ben bolker's R package "bbmle" to estimate the parameters of a
> binomial mixture distribution via Maximum Likelihood Method. For some data
> sets, I got the following warning messages:
> *Warning: optimization did not converge (code 1: )
> There were 50 or more warnings (use warnings() to see the first 50)*
> Also, warnings() results the following: 
> *In 0:(n - x) : numerical expression has 8 elements: only the first used
> 47: In beta(a, b) : NaNs produced*
> 
> I would like to know whether this is a serious issue? if so.. how can I
> avoid it?
> 

Likely: can you make a reproducible example so we can diagnose? dput() is helpful for plaintext data transfer. 

Michael


> thank you.
> 
> 
> 
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