e>, <code><a href="reference/sdim.html">ssdim()</a></code> - dimensions of list objects, or nested list of lists</li>
<li>
<code><a href="reference/sdim.html">sdima()</a></code> - runs <code><a href="reference/sdim.html">sdim()</a></code> on the attributes of an object.</li>
<li>
<code><a href="reference/isTRUEV.html">isTRUEV()</a></code>, <code><a href="reference/isFALSEV.html">isFALSEV()</a></code> - vectorized test for TRUE or FALSE values, since <code><a href="https://rdrr.io/r/base/Logic.html" class="e