e of the following integers:</dt><dd><ul>
<li><p>[0]  no normalisation - default</p></li>
<li><p>[1]  remove median(<code class="docutils literal notranslate"><span class="pre">Sig</span></code>) to get zero-median series</p></li>
<li><p>[2]  remove mean(<code class="docutils literal notranslate"><span class="pre">Sig</span></code>) to get zero-mean series</p></li>
<li><p>[3]  normalises <code class="docutils literal notranslate"><span class="pre">Sig</span></code> w.r.t. SD(<code class="docutils literal no