</a></code>,  <code><a href="qchar_frame.html">qchar_frame</a></code></p></div>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">tc_name</span> <span class="op">&lt;-</span> <span class="st">"training"</span></span></span>
<span class="r-in"><span><span class="va">x</span> <span class="op">&lt;-</span> <span class="fu"><a href="build_frame.html">build_fra