 2.</p></dd>


<dt>x_zero_mid</dt>
<dd><p>For a numeric x variable, add balance to the x scale so that zero is in the centre. Defaults to FALSE.</p></dd>


<dt>x_expand</dt>
<dd><p>A vector of range expansion constants used to add padding to the x scale, as per the ggplot2 expand argument in ggplot2 scales functions.</p></dd>


<dt>x_labels</dt>
<dd><p>A function or named vector to modify x scale labels. If NULL, categorical variable labels are converted to sentence case. Use ggplot2::waiver() to keep x lab