>
<span><span class="co"># Filter MDV = 0</span></span>
<span><span class="va">obs_data</span> <span class="op">&lt;-</span> <span class="fu">tidyvpc</span><span class="fu">::</span><span class="va"><a href="reference/obs_data.html">obs_data</a></span><span class="op">[</span><span class="va">MDV</span> <span class="op">==</span> <span class="fl">0</span><span class="op">]</span></span>
<span><span class="va">sim_data</span> <span class="op">&lt;-</span> <span class="fu">tidyvpc</span><span class="fu">::</s