/span><span class="op">)</span>
<span class="fu"><a href="https://rdrr.io/r/graphics/lines.html">lines</a></span><span class="op">(</span><span class="va">x</span>,<span class="va">y</span>, col<span class="op">=</span><span class="fl">2</span><span class="op">)</span>
<span class="co"># exponential distribution</span>
<span class="va">w</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/Log.html">exp</a></span><span class="op">(</span><span class="op">-</span><span class=