ml" class="external-link">geom_line</a></span><span class="op">(</span><span class="fu"><a href="https://ggplot2.tidyverse.org/reference/aes.html" class="external-link">aes</a></span><span class="op">(</span>x<span class="op">=</span><span class="va">t.est</span>, <span class="va">x.mean</span><span class="op">)</span>,col<span class="op">=</span><span class="st">"steelblue"</span>,lwd<span class="op">=</span><span class="fl">1</span><span class="op">)</span> <span class="op">+</span></span>
<span>  <span c