al-link">aes</a></span><span class="op">(</span>x<span class="op">=</span><span class="va">pred10step</span><span class="op">$</span><span class="va">t.j</span>,<span class="va">pred10step</span><span class="op">$</span><span class="va">x</span><span class="op">)</span>,color<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 class="fu"><a href="https://ggplot2.tidyverse.org