r" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'>
<span class='fu'><a href='https://rdrr.io/r/base/library.html'>library</a></span>(<span class='no'>ggplot2</span>)
<span class='no'>old</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='https://ggplot2.tidyverse.org/reference/theme_get.html'>theme_set</a></span>(<span class='fu'><a href='https://ggplot2.tidyverse.org/reference/ggtheme.html'>theme_classic</a></span>(<span class='kw