tion level2 hasAnchor" number="4.1">
<h2><span class="header-section-number">4.1</span> Anatomy of a plot<a href="data-visualization.html#anatomy-of-a-plot" class="anchor-section" aria-label="Anchor link to header"></a></h2>
<p>The goal of plotting data is to present a summary of a dataset in a two-dimensional (or occasionally three-dimensional) presentation. We refer to the dimensions as <em>axes</em> – the horizontal axis is called the <em>X-axis</em> and the vertical axis is called the <em>Y-axis</em>.