ode>, and <code>"alluvia"</code>. The default <code>"none"</code> produces different behavior than the previous default <code>FALSE</code>, in that under this setting the aesthetic variables are <em>not at all</em> prioritized.</li>
<li>The previously defunct stat parameters <code>weight</code> and <code>aggregate.wts</code> are discontinued.</li>
</ul></div>
<div class="section level3">
<h3 id="negative-observations-0-11-0">Negative observations<a class="anchor" aria-label="anchor" href="#negative-observat