pan class="fu"><a href="https://rdrr.io/r/base/cbind.html" class="external-link">rbind</a></span><span class="op">(</span>a <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/stats/Normal.html" class="external-link">rnorm</a></span><span class="op">(</span><span class="fl">100</span>, mean <span class="op">=</span> <span class="fl">5</span>, sd <span class="op">=</span> <span class="fl">2</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>           b <span class="op"