gt;</span> <span style="color: #949494;"># Groups:   source [2]</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   var     source missing     N     M    SD     SE   min   max range median  mode</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   <span style="color: #949494; font-style: italic;">&lt;chr&gt;</span>   <span style="color: #949494; font-style: italic;">&lt;chr&gt;</span>    <span style="color: #949494; font-style: italic;">&lt;int&gt;</span> <span style="color: #9