t which of these is preferred and even what to call the two different quantities of interest. Regardless of all of that, here’s how you obtain either:</p>
<div class="sourceCode"><pre class="sourceCode r"><code class="sourceCode r">x &lt;-<span class="st"> </span><span class="kw">glm</span>(am <span class="op">~</span><span class="st"> </span>cyl <span class="op">+</span><span class="st"> </span>hp <span class="op">*</span><span class="st"> </span>wt, <span class="dt">data =</span> mtcars, <span class="dt