Tuesday, October 21, 2003, 5:27:53 AM, Jitian Sheu wrote:
> Dear listers:
> I am doing MLE using command in Stata, -ml-
> before I type: ml maximize, following the instruction of booklet of "Maximum
> Likelihood Estimation with Stata"(by William Gould and William Sribney).
> I type: -ml check- first
> The luck thing is that after -ml check-, the information I got is that the
> program I wrote has passed the all tests.
> It seems that my estimation may go well.
> however, when I type: -ml maximize-
> the information I get is as follows:
> initial: log likelihood = -2262.0106
> rescale: log likelihood = -566.9123
> rescale eq: log likelihood = -319.86063
> initial values not feasible
> r(1400);
Try different initial values. You should find -ml plot- and -search-
particularly helpful in this regard.
HJW
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