/dt>
<dd><p>Integer to obtain the top driving species in
clusters.</p></dd>


<dt>method</dt>
<dd><p>The model assumption for KL divergence measurement.
Available choices are "poisson" (default) and "bernoulli".</p></dd>


<dt>options</dt>
<dd><p>Option "min" selects species that maximize the minimum
KL divergence of a phyloregion vs all other phyloregions.
Option "max" selects species that maximize the maximum KL divergence
of a phyloregion against all other phyloregions.</p></dd>


<dt>shared</dt>
<dd><p>