n equivalent requirement is the STROBE statement
<span class="citation">(von Elm et al. 2008)</span>. There are other
similar requirements for other types of study such as the TRIPOD
statement that are applicable for multivariate models <span class="citation">(Collins et al. 2015)</span>.</p>
<p>For this demonstration we use the <code>cgd</code> data set from the
<code>survival</code> package <span class="citation">(Terry M. Therneau
and Patricia M. Grambsch 2000; Therneau 2022)</span>, which is from a
plac