s.Date.html'>as.Date</a></span><span class='op'>(</span><span class='st'>"2019-04-01"</span><span class='op'>)</span>,
                       estimation_end <span class='op'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/as.Date.html'>as.Date</a></span><span class='op'>(</span><span class='st'>"2020-03-13"</span><span class='op'>)</span><span class='op'>)</span> <span class='op'>%&gt;%</span>
    <span class='fu'>rank_test</span><span class='op'>(</span>event_start <span class='op'>=</span> <span