p>Next, we explore a further possible source of differences in
neighbour object reproduction, using the original version of the tract
boundaries used in ASDAR, but with some invalid geometries as mentioned
earlier (<code>NY8_utm18.gpkg</code> was created from the original ESRI
Shapefile used in ASDAR):</p>
<div class="sourceCode" id="cb10"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="kw">if</span> <span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/utils/