</dd>


<dt>split_panel</dt>
<dd><p>Character: split panel by groups. Default: "Split_Panel", options: "One_Panel", "Split_Panel".</p></dd>


<dt>legend_pos</dt>
<dd><p>Character: legend position. Default: "right", options: "none", "left", "right", "bottom", "top".</p></dd>


<dt>legend_dir</dt>
<dd><p>Character: legend direction. Default: "vertical", options: "horizontal", "vertical".</p></dd>


<dt>sci_fill_color</dt>
<dd><p>Character: ggsci fill or color palette. Default: "Sci_NPG", optio