ass="dv">0</span><span class="op">:</span><span class="dv">1</span>, <span class="dt">hp =</span> <span class="kw">fivenum</span>(mtcars<span class="op">$</span>hp)))</code></pre></div>
<pre><code>## Average marginal effects at specified values</code></pre>
<pre><code>## lm(formula = mpg ~ cyl + wt + hp * am, data = mtcars)</code></pre>
<pre><code>##  at(am) at(hp)     cyl     wt        hp      am
##       0     52 -0.9339 -2.812 -0.008945  2.6864
##       1     52 -0.9339 -2.812 -0.026392  2.6864
##       