</a></code> function
to fit FFTs to <code>heart.train</code> data:</p>
<div class="sourceCode" id="cb1"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="co"># Create a fast-and-frugal tree (FFT) predicting heart disease:</span></span>
<span><span class="va">heart.fft</span> <span class="op">&lt;-</span> <span class="fu"><a href="../reference/FFTrees.html">FFTrees</a></span><span class="op">(</span>formula <span class="op">=</span> <span class="va">diagnosis</span> <span class