p>
<p>Ideally the beta distribution is derived from realized allele frequencies.
The current parameters are based on 15k African ancestry individuals.
For mimicing a much larger set (112k) of Non-Finnish European individuals,
use the parameters a1=0.14311324240262455, b1=26.97369198989023,</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>j</strong> (<cite>int</cite>) – number of variants</p></li>
<