isation of Pnorm value, a boolean operator:</dt><dd><ul>
<li><p>false -  normalises w.r.t log(# of permutation symbols [m-1]) - default</p></li>
<li><p>true  -  normalises w.r.t log(# of all possible permutations [m!])</p>
<p><strong>Note</strong>: Normalised permutation entropy is undefined for <code class="docutils literal notranslate"><span class="pre">m</span></code> = 1.
<strong>Note</strong>: When <code class="docutils literal notranslate"><span class="pre">Typex</span> <span class="pre">=</span> <spa