&gt;</span> fm2 2477.04 2486.94 -1235.52                </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> fm1 2461.95 2478.44 -1225.97 19.1  2   1e-04</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># the same hypothesis but with a Wald test</span></span></span>
<span class="r-in"><span><span class="fu"><a href="methods.html">anova</a></span><span class="op">(</span><span class="va">fm1</span