ains
the variance-covariance estimates of the Cholesky transformed parameters displayed in
<code>cholesky</code>.
If conv=2, <code>V</code> contains the second derivatives of the log-likelihood.</p></dd>

<dt>gconv</dt>
<dd><p>vector of convergence criteria: 1. on the parameters, 2. on the
likelihood, 3. on the derivatives</p></dd>

<dt>conv</dt>
<dd><p>status of convergence: =1 if the convergence criteria were satisfied,
=2 if the maximum number of iterations was reached, =3 if the convergence criteria wer