span class='fl'>0.8</span>, linetype <span class='op'>=</span> <span class='fl'>2</span><span class='op'>)</span></span>
<span class='r-in'>  <span class='va'>p6</span> <span class='op'>+</span> <span class='fu'><a href='https://ggplot2.tidyverse.org/reference/scale_brewer.html'>scale_color_brewer</a></span><span class='op'>(</span><span class='op'>)</span></span>
<span class='r-in'>  <span class='va'>p6</span> <span class='op'>+</span> <span class='fu'><a href='https://ggplot2.tidyverse.org/reference/scale