 std">x</span> <span class="hl kwb">&lt;-</span> <span class="hl kwd">c</span><span class="hl std">(</span><span class="hl num">.1</span><span class="hl std">,</span> <span class="hl num">.3</span><span class="hl std">,</span> <span class="hl num">.5</span><span class="hl std">,</span> <span class="hl num">.7</span><span class="hl std">,</span> <span class="hl num">.9</span><span class="hl std">)</span>
<span class="hl std">y</span> <span class="hl kwb">&lt;-</span> <span class="hl kwd">c</span><span class=