<a href="https://shiny.rstudio.com/reference/shiny/latest/renderPlot.html">renderPlot()</a></code> expression.</p>
<p><em>Note:</em> In the example presented here, strictly speaking all of the plot drawing and coordinate extracting code could be outside the <code>server()</code> function, because the plot itself does not change with user input. However if you are building an app where the plot changes in response to user input, for example a menu of options of which variables to display, the plot drawing co