<span class="op">=</span> <span class="op">~</span> <span class="va">year</span> <span class="op">||</span> <span class="va">id</span><span class="op">)</span></span></span>
<span class="r-in"><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_slp_diag</span>, <span class="va">fm1_slp</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out c