hor" href="#package-options"></a></h2>


<p><code>stat_stratum</code>, <code>stat_alluvium</code>, and <code>stat_flow</code> order strata and lodes
according to the values of several parameters, which must be held fixed
across every layer in an alluvial plot. These package-specific options set
global values for these parameters that will be defaulted to when not
manually set:</p><ul><li><p><code>ggalluvial.decreasing</code> (each <code>stat_*</code>): defaults to <code>NA</code>.</p></li>
<li><p><code>ggal