(Intercept) 24.741         </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>           Days         5.922     9.60</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  Residual             25.592         </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Number of obs: 180, groups:  Subject, 18</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Fixed Effects:</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> (Intercept)         Days  </span>
<span cl