en">(</span><em class="sig-param"><span class="n"><span class="pre">mdn</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#LUCI.LuciFit.Fit.estimate_priors_ML" title="Link to this definition"></a></dt>
<dd><p>Apply machine learning algorithm on spectrum in order to estimate the velocity.
The spectrum fed into this method must be interpolated already onto the
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