 class="va">Time</span><span class="op">*</span><span class="va">X1</span>,mixture<span class="op">=</span><span class="op">~</span><span class="va">Time</span>,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>,subject<span class="op">=</span><span class="st">'ID'</span>,</span></span>
<span class="r-in"><span>         ng<span class="op">=<