tyle="color: #949494; font-style: italic;">&lt;dbl&gt;</span>    <span style="color: #949494; font-style: italic;">&lt;dbl&gt;</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">1</span> student  No     70.3  71.1    0.724</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">2</span> student  Yes    29.7  28.9    0.724</span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">sb</span> <span