ode>LogicalNeuroVol()</code></td>
</tr>
<tr class="odd">
<td>Sparse representation</td>
<td><code>as.sparse()</code></td>
</tr>
<tr class="even">
<td>Concatenate volumes</td>
<td><code>concat()</code></td>
</tr>
</tbody>
</table>
</div>
</div>
<div id="summary" class="section level1">
<h1>Summary</h1>
<p>neuroim2 provides a comprehensive toolkit for neuroimaging analysis
in R. Its efficient data structures, flexible ROI tools, and
memory-conscious design make it suitable for both interactive
exploration and