ass="nv">plot</span><span class="w"> </span><span class="nv">of</span><span class="w"> </span><span class="nv">the</span>
<span class="nv">autocorrelation</span><span class="w"> </span><span class="nv">coefficient</span><span class="w"> </span><span class="nv">r</span><span class="ss">(</span><span class="nv">k</span><span class="ss">)</span><span class="w"> </span><span class="nv">versus</span><span class="w"> </span><span class="nv">the</span><span class="w"> </span><span class="nv">lag</span><span class=