s="r-pr">#&gt;</span> <span class="warning">Warning: </span>One argument (either p1 or p2) is necessary.</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1]  8 NA NA NA NA</span>
<span class="r-in"><span><span class="fu">comp_complete_prob_set</span><span class="op">(</span><span class="fl">8</span>, <span class="fl">7</span>, <span class="fl">6</span>, <span class="fl">5</span>, <span class="fl">4</span><span class="op">)</span>      <span class="co"># =&gt; 8 7 6 5 4 + no warning (valid set 