></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Call:</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> coxph(formula = Surv(Tstart, Tstop, status) ~ x1.1 + x2.2 + strata(trans), </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>     data = tglong, method = "breslow")</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   n= 16, number of events= 10 </span>
<span class="r-out co"><span class="r-pr