span>timeperiod, <span class="st">&quot;2-1&quot;</span><span class="ot">=</span><span class="er">~</span>timeperiod, </span>
<span id="cb125-9"><a href="timedep.html#cb125-9" aria-hidden="true" tabindex="-1"></a>                                            <span class="st">&quot;2-4&quot;</span><span class="ot">=</span><span class="er">~</span>timeperiod, <span class="st">&quot;3-4&quot;</span><span class="ot">=</span><span class="er">~</span>timeperiod),</span>
<span id="cb125-10"><a href="timedep.html#cb1