">&lt;-</span> <span class="hl kwd">c</span><span class="hl std">(</span><span class="hl num">.2</span><span class="hl std">,</span> <span class="hl num">.7</span><span class="hl std">,</span> <span class="hl num">.2</span><span class="hl std">,</span> <span class="hl num">.7</span><span class="hl std">)</span>
<span class="hl std">w</span> <span class="hl kwb">&lt;-</span> <span class="hl kwd">widthSpline</span><span class="hl std">(</span><span class="hl kwd">unit</span><span class="hl std">(</span><span 