 <span class="math inline">\(O(n.log(n))\)</span> instead of <span class="math inline">\(O(n^2)\)</span>. Please note that we still use the
subset of data within the caliper boundary for matching purposes. As a
result, the exposure level for matched data is in a valid range.</p>
</div>
<div class="section level3">
<h3 id="encountering-an-error-while-executing-the-non-parametric-exposure-response-function-error-in-checkforremoteerrorsval-one-node-produced-an-error-lengthxeval--maxevalpts-is-not-true-">14) En