="r-pr">#&gt;</span> $initial</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> dispersion </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>          5 </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> $is_known</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> dispersion </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>      FALSE </span>
<span class="r-out co"><span class="r-pr">#&