 returns gridded Poicare plot and
a bivariate histogram of the grid point distribution (default: false)</p></li>
</ul>
</div></blockquote>
<dl class="simple">
<dt>See also:</dt><dd><p>PhasEn, CoSiEn, SlopEn, BubbEn, MSEn</p>
</dd>
<dt>References:</dt><dd><dl class="simple">
<dt>[1] Chang Yan, et al.,</dt><dd><p>“Novel gridded descriptors of Poincare plot for analyzing 
heartbeat interval time-series.” 
Computers in biology and medicine 
109 (2019): 280-289.</p>
</dd>
<dt>[2] Chang Yan, et al. </dt><dd><