/span>, data <span class="op">=</span> <span class="va">mri</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Call:</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> regress(fnctl = "mean", formula = atrophy ~ height + sex + U(hs = ~height:sex), </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>     data = mri)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>