ould be "fixed" across facets, "free" in both directions, or free in just one direction (i.e. "free_x" or "free_y"). Defaults to "fixed".</p></dd>


<dt>caption</dt>
<dd><p>Caption title string.</p></dd>


<dt>caption_wrap</dt>
<dd><p>Number of characters to wrap the caption to. Defaults to 80. #'</p></dd>


<dt>theme</dt>
<dd><p>A ggplot2 theme.</p></dd>


<dt>model_scale</dt>
<dd><p>Per ggplot2::geom_violin, if "area" (default), all violins have the same area (before trimming the tails). If "count", areas