aracteristic-curve-icc"></a>
</h4>
<p><code>tabledown</code> offers <code>ggicc</code> function to create <code>ggplot2</code> based Item Characteristic Curve. <code>ggicc</code> function takes three arguments (a) model: your IRT model (B) item number (C) Theta range: <code>ggicc</code> use a symmetric theta range. Theta = 6 will plot the ICC with a theta range of -6 to 6.</p>
<div class="sourceCode" id="cb6"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">icc</span> <sp