quot;</span>)</span>
<span id="cb7-10"><a href="#cb7-10" tabindex="-1"></a><span class="co">#&gt; Dense size: 806.6 Kb</span></span>
<span id="cb7-11"><a href="#cb7-11" tabindex="-1"></a><span class="fu">cat</span>(<span class="st">&quot;Sparse size:&quot;</span>, <span class="fu">format</span>(<span class="fu">object.size</span>(sparse_roi), <span class="at">units =</span> <span class="st">&quot;auto&quot;</span>), <span class="st">&quot;</span><span class="sc">\n</span><span class="st">&quot;</span>)</spa