st: Re: Equivalence of Heckprob and ml model commands--initial values of rho

[Rachel <academicgirl@gmail.com>]

> ml model (`maindv'=`depvars1') (`seldv'=`depvars2')  /athrho, trace
> max gradient init(b1.....bn, atrho, copy)
I had left out the "copy" in the init option.

On 12/7/06, Rachel <academicgirl@gmail.com> wrote:
> Suppose the initial values displayed in the 0th iteration of heckprob
> are b1.....bn, atrho.
>
>
> Now suppose I try to replicate the heckprob command using the same two
> equations:
>
> ml model (`maindv'=`depvars1') (`seldv'=`depvars2')  /athrho, trace
> max gradient init(b1.....bn, atrho).
>
> In the 0th iteration of this command, all the initial values of the
> coefficients match those given in the init command EXCEPT for atrho.
> (Note again that I passed the program atanh(rho), the initial value
> calculated by heckprob and displayed as the initial value)
>
> Can someone tell me what is going wrong?
>
> Thanks again,
> Rachel
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