org/reference/aes.html" class="external-link">aes</a></span><span class="op">(</span>x <span class="op">=</span> <span class="va">Day</span>, y <span class="op">=</span> <span class="va">Temp</span>,</span>
<span class="r-in">     group <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/factor.html" class="external-link">as.factor</a></span><span class="op">(</span><span class="va">Month</span><span class="op">)</span>, color <span class="op">=</span> <span class="fu"><a href="https