tat    df Pr(&gt;F)   </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] Intercept            5.75 1    0.0168 </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [2] age                 60.12 1  &lt; 0.00005</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Residual standard error: 12.36 on 733 degrees of freedom</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Multiple R-squared:  0.08669,	Ad