/code> returns the following indices 
estimated from the data sequence (<code class="docutils literal notranslate"><span class="pre">Sig</span></code>) using the default  parameters:</p>
<blockquote>
<div><ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">PIx</span></code>   - Percentage of points below the line of identity (LI)</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">GIx</span></code>   - Proportion of point distances above the LI</p