</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [[1]]</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] -9999 -4444</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-in"><span><span class="co"># Attempt 2, specifying -9999 and -4444 as missing value</span></span></span>
<span class="r-in"><span><span class="co"># codes so check works correctly</span></span></span>
<span class="r-in"><span><span class="fu">minmax_check</span><spa