lo <span class="op">=</span> <span class="cn">FALSE</span></span>
<span><span class="op">)</span></span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>Arguments</h2>


<dl><dt id="arg-x">X<a class="anchor" aria-label="anchor" href="#arg-x"></a></dt>
<dd><p>An input <code>matrix</code> with dimensions number of observations -by-
number of covariates that will be used to derive the design matrix of basis
functions.</p></dd>


<dt id="arg-y">Y<a class="anchor" aria-label="anchor" href="#arg-y