ion.</p></dd>


<dt>space.held</dt>
<dd><p><code><a href="https://rdrr.io/r/base/matrix.html" class="external-link">base::matrix()</a></code> with the proportion of
attribute space sampled for each species in each solution.</p></dd>


<dt>logging.file</dt>
<dd><p><code>character</code> Gurobi log files.</p></dd>


<dt>.cache</dt>
<dd><p><code><a href="https://rdrr.io/r/base/environment.html" class="external-link">base::environment()</a></code> used to cache calculations.</p></dd>

</dl></div>
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