s="op">)</span><span class="op">)</span><span class="op">)</span> <span class="co"># compute ratio to fix make plot square</span>

<span class="fu"><a href="https://rdrr.io/pkg/ggplot2/man/ggplot.html" class="external-link">ggplot</a></span><span class="op">(</span>data <span class="op">=</span> <span class="va">ex_array</span>, <span class="fu"><a href="https://rdrr.io/pkg/ggplot2/man/aes.html" class="external-link">aes</a></span><span class="op">(</span>x <span class="op">=</span> <span class="va">V1</spa