s="op">)</span><span class="op">)</span></span></code></pre></div>
<p>To smooth the surface data:</p>
<div class="sourceCode" id="cb7"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">SPRENG_CTv_smoothed</span> <span class="op">=</span> <span class="fu"><a href="../reference/smooth_surf.html">smooth_surf</a></span><span class="op">(</span><span class="va">SPRENG_CTv</span>, <span class="fl">10</span><span class="op">)</span></span></code></pre></div>
<p>To load the demo b