span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   Test statistic                               359.420</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   Degrees of freedom                                 3</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   P-value (Chi-square)                           0.000</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Parameter Estimates:</span>
<sp