,random<span class="op">=</span><span class="op">~</span><span class="va">Time</span>,classmb<span class="op">=</span><span class="op">~</span><span class="va">X2</span><span class="op">+</span><span class="va">X3</span>,</span></span>
<span class="r-in"><span>subject<span class="op">=</span><span class="st">'ID'</span>,ng<span class="op">=</span><span class="fl">2</span>,data<span class="op">=</span><span class="va">data_hlme</span>,B<span class="op">=</span><span class="fu"><a href="https://rdrr.io/r/base