</span> <span class="fl">0.5</span><span class="op">)</span></span></span>
<span class="r-wrn co"><span class="r-pr">#&gt;</span> <span class="warning">Warning: </span>The first argument is expected to be a design matrix created by design(). If you want to set n, please name the first argument with n = ...</span>
<span class="r-in"><span><span class="fu">pem</span><span class="op">(</span><span class="va">dat</span>, chi.test <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></s