an> <span class="cn">FALSE</span>,</span>
<span>  logweight <span class="op">=</span> <span class="cn">FALSE</span></span>
<span><span class="op">)</span></span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>Arguments</h2>
    <dl><dt>ydata</dt>
<dd><p>[ndata,dy] matrix of observed quantities</p></dd>


<dt>ycovar</dt>
<dd><p>[ndata,dy] / [ndata,dy,dy] / [dy,dy,ndata] matrix,
list or 3D array of observational error covariances (if [ndata,dy]
then the error correlations are assumed to vanis