Xin hotmail.com> writes:
>
> Dear All:
>
> I used optim() to minimise the loglikelihood function for fitting data to
negative binomial
> distribution. But there initial value of log-likelihood and iteration 10 value
are reasonable. for example:
> initial value 1451657.994524
> iter 10 value
Dear All:
I used optim() to minimise the loglikelihood function for fitting data to
negative binomial distribution. But there initial value of log-likelihood and
iteration 10 value are reasonable. for example:
initial value 1451657.994524
iter 10 value 47297.534905
iter 20 value -623478636.8