eric variable for minimum of whisker on the x scale for when stat = "identity" is selected.</p></dd>


<dt>xlower_var</dt>
<dd><p>Unquoted numeric variable for minimum of box on the x scale for when stat = "identity" is selected.</p></dd>


<dt>xmiddle_var</dt>
<dd><p>Unquoted numeric variable for middle of box on the x scale for when stat = "identity" is selected.</p></dd>


<dt>xupper_var</dt>
<dd><p>Unquoted numeric variable for maximum of box on the x scale for when stat = "identity" is selected.</p></d