>))</a></code></pre></div>
<p>And using a similar call to <code>xyplot()</code> we produce the plot of these values over the follow-up time:</p>
<div class="sourceCode" id="cb6"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb6-1" title="1"><span class="kw">xyplot</span>(independence <span class="op">+</span><span class="st"> </span>exchangeable <span class="op">+</span><span class="st"> </span>ar1 <span class="op">~</span><span class="st"> </span>obstime <span class="op">|<