constants used to add padding to the y scale, as per the ggplot2 expand argument in ggplot2 scales functions.</p></dd>


<dt>y_labels</dt>
<dd><p>A function or named vector to modify y scale labels. Use ggplot2::waiver() to keep y labels untransformed.</p></dd>


<dt>y_title</dt>
<dd><p>y scale title string. Defaults to NULL, which converts to sentence case with spaces. Use "" if you would like no title.</p></dd>


<dt>y_title_wrap</dt>
<dd><p>Number of characters to wrap the y title to. Defaults to 50.</p>