>(pts) <span class="fu">as.numeric</span>(pts<span class="sc">$</span>y)</span>
<span id="cb7-9"><a href="#cb7-9" aria-hidden="true" tabindex="-1"></a>  )))</span>
<span id="cb7-10"><a href="#cb7-10" aria-hidden="true" tabindex="-1"></a>  xrange_new <span class="ot">&lt;-</span> <span class="fu">c</span>(<span class="dv">1</span> <span class="sc">-</span> <span class="dv">1</span><span class="sc">/</span><span class="dv">6</span>, <span class="dv">3</span> <span class="sc">+</span> <span class="dv">1</span>