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02_creating_plots.html

@@ -380,6 +380,16 @@ <h2> Contents </h2>
 
   <section class="tex2jax_ignore mathjax_ignore" id="creating-plots">
 <h1>02: Creating Plots<a class="headerlink" href="#creating-plots" title="Permalink to this heading">#</a></h1>
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+<div class="highlight-r notranslate"><div class="highlight"><pre><span></span><span class="nf">library</span><span class="p">(</span><span class="n">IRdisplay</span><span class="p">)</span>
+<span class="nf">display_html</span><span class="p">(</span><span class="s">&#39;&lt;iframe width=&quot;560&quot; height=&quot;315&quot; src=&quot;https://www.youtube.com/embed/MXr3tp6Q1aA&quot; frameborder=&quot;0&quot; allowfullscreen&gt;&lt;/iframe&gt;&#39;</span><span class="p">)</span>
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 <p>In this chapter we will look at how to plot data from a NetCDF file. We will look at a 1D data variable as well as some 2D data that we will plot on a map. Let’s load in some libraries that we will use.</p>
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@@ -711,7 +721,7 @@ <h2>Plotting 2D data on a map<a class="headerlink" href="#plotting-2d-data-on-a-
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 <div class="highlight-r notranslate"><div class="highlight"><pre><span></span><span class="nf">ggplot</span><span class="p">(</span><span class="n">df</span><span class="p">,</span><span class="w"> </span><span class="nf">aes</span><span class="p">(</span><span class="n">x</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lon</span><span class="p">,</span><span class="w"> </span><span class="n">y</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lat</span><span class="p">,</span><span class="w"> </span><span class="n">fill</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">anom</span><span class="p">))</span><span class="w"> </span><span class="o">+</span>
 <span class="w">  </span><span class="nf">geom_tile</span><span class="p">()</span><span class="w"> </span><span class="o">+</span>
-<span class="w">  </span><span class="nf">scale_fill_gradient2</span><span class="p">(</span><span class="n">low</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;blue&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">mid</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;white&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">high</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;red&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">midpoint</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">0</span><span class="p">,</span><span class="w"> </span><span class="n">limits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nf">c</span><span class="p">(</span><span class="nf">min</span><span class="p">(</span><span class="n">df</span><span class="o">$</span><span class="n">anom</span><span class="p">),</span><span class="w"> </span><span class="nf">max</span><span class="p">(</span><span class="n">df</span><span class="o">$</span><span class="n">anom</span><span class="p">)))</span><span class="w"> </span><span class="o">+</span>
+<span class="w">  </span><span class="nf">scale_fill_gradient2</span><span class="p">(</span><span class="n">low</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;blue&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">mid</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;white&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">high</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;red&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">midpoint</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">0</span><span class="p">,</span><span class="w"> </span><span class="n">limits</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nf">c</span><span class="p">(</span><span class="m">-10</span><span class="p">,</span><span class="m">10</span><span class="p">))</span><span class="w"> </span><span class="o">+</span>
 <span class="w">  </span><span class="nf">coord_fixed</span><span class="p">(</span><span class="n">ratio</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">1.5</span><span class="p">)</span><span class="w"> </span><span class="o">+</span>
 <span class="w">  </span><span class="nf">theme_minimal</span><span class="p">()</span><span class="w"> </span><span class="o">+</span>
 <span class="w">  </span><span class="nf">labs</span><span class="p">(</span><span class="n">fill</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">&quot;Temperature anomaly (°C)&quot;</span><span class="p">)</span><span class="w"> </span><span class="o">+</span>
@@ -723,7 +733,7 @@ <h2>Plotting 2D data on a map<a class="headerlink" href="#plotting-2d-data-on-a-
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 <p>Maybe we want to zoom in on a certain region.</p>