</dd>


<dt>subtitle_wrap</dt>
<dd><p>Number of characters to wrap the subtitle to. Defaults to 60.</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 of the x scale.</p></dd>


<dt>x_breaks_n</dt>
<dd><p>For a numeric or date x variable, the desired number of intervals on the x scale, as calculated by the pretty algorithm. Defaults to 5.</p></dd>


<dt>x_expand</dt>
<dd><p>A vector of range expansion constants used to add padding to the 