"op">(</span><span class="va">m</span><span class="op">~</span><span class="va">lM</span>,<span class="va">s</span><span class="op">~</span><span class="fl">1</span>,<span class="va">t0</span><span class="op">~</span><span class="fl">1</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>                     contrasts<span class="op">=</span><span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span>m<span class="op">=</span><