"op">$</span><span class="va">prop</span><span class="op">[</span><span class="fu"><a href="https://rdrr.io/r/base/NA.html" class="external-link">is.na</a></span><span class="op">(</span><span class="va">bn2</span><span class="op">$</span><span class="va">prop</span><span class="op">)</span><span class="op">]</span> <span class="op">&lt;-</span> <span class="fl">0</span></span></span>
<span class="r-err co"><span class="r-pr">#&gt;</span> <span class="error">Error:</span> object 'bn2' not found</span>
<span