">(</span><span class="va">m1</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Heterogenous linear mixed model </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>      fitted by maximum likelihood method </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> hlme(fixed = Y ~ Time * X1, random = ~Time, subject = "ID", ng = 1, </span>
<span class="r-out co"><span class="r-pr">