</span>
<span><span class="co">#&gt;                 x = ,</span></span>
<span><span class="co">#&gt;                 y = NULL,</span></span>
<span><span class="co">#&gt;              bwpi = 50,</span></span>
<span><span class="co">#&gt;             binpi = 50,</span></span>
<span><span class="co">#&gt;        bandwidthN = NULL,</span></span>
<span><span class="co">#&gt;              nbin = NULL,</span></span>
<span><span class="co">#&gt;            expand = c(0.04, 0.04),</span></span>
<span><span class="c