ate_peak</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>       &lt;int&gt;       &lt;int&gt;      &lt;int&gt;     &lt;int&gt;    &lt;num&gt;     &lt;Date&gt;     &lt;Date&gt;</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1:        1          83         83        87        5 1982-03-24 1982-03-24</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2:        2         194        199       207       14 1982-07-13 1982-07-18</span>
<span class="r-out co"><span class="r-pr