cs/legend.html" class="external-link">legend</a></span><span class="op">(</span><span class="st">"topright"</span>, <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"time-varying coefficient"</span>, <span class="st">"proportional hazards"</span><span class="op">)</span>,</span>
<span>       lty <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="o