"r-in"><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">xvector</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  [1] "A" "A" "B" "B" "C" "C" "D" "D" "E" "E" "F" "F" "G" "G" "H" "H" "I" "I" "J"</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [20] "J" "K" "K" "L" "L" "M" "M" "N" "N" "O" "O" "P" "P" "Q" "Q" "R" "R" "S" "S"</span>
<span class="r-out