l><li><p><code>rel_residuals</code>: Relative residuals</p></li>
<li><p><code>success</code>: Are the residuals within the tolerance?</p></li>
</ul><p><code>is_ml_fit()</code> returns a logical.</p>
    </div>
    <div id="references">
    <h2>References</h2>
    <p>Deville, J.-C. and Särndal, C.-E. (1992)
Calibration estimators in survey sampling. <em>Journal of the American
Statistical Association</em>, <strong>87</strong> (418), 376--382.</p>
<p>Deville, J.-C., Särndal, C.-E. and Sautory, O. (1993)
Gen