://rdrr.io/r/graphics/points.html" class="external-link">points</a></span><span class="op">(</span><span class="va">cp1</span><span class="op">$</span><span class="va">x</span>, <span class="va">cp1</span><span class="op">$</span><span class="va">y</span>, pch<span class="op">=</span><span class="fl">20</span>, cex<span class="op">=</span><span class="fl">2</span>, col<span class="op">=</span><span class="st">"red"</span><span class="op">)</span>;</span></span>
<span class="r-in"><span></span></span>
<span 