rray</span><span class="op">[</span><span class="fu"><a href="https://rdrr.io/r/base/order.html" class="external-link">order</a></span><span class="op">(</span><span class="va">ex_array</span><span class="op">$</span><span class="va">POSLAB</span><span class="op">)</span>,<span class="op">]</span>

<span class="co">## Print</span>
<span class="fu"><a href="https://rdrr.io/r/base/print.html" class="external-link">print</a></span><span class="op">(</span><span class="va">ex_array</span><span class="op">)</spa