possible to translate one of these?<div><br></div><div><a href="http://stackoverflow.com/questions/16450779/another-approach-to-percentiles">http://stackoverflow.com/questions/16450779/another-approach-to-percentiles</a></div><div><br><br>On Wednesday, April 27, 2016, Anderson, David B &lt;<a href="mailto:david.b.anderson@citi.com">david.b.anderson@citi.com</a>&gt; wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I am really looking for an implementation of a weighted percentile within a group.<br>
<br>
-----Original Message-----<br>
From: Anderson, David B [ICG-MKTS]<br>
Sent: Wednesday, April 27, 2016 9:18 AM<br>
To: <a href="javascript:;" onclick="_e(event, &#39;cvml&#39;, &#39;users-list@monetdb.org&#39;)">users-list@monetdb.org</a><br>
Subject: Support for multi-column aggregate functions<br>
<br>
All,<br>
<br>
Does the current version of MonetDB support multi-column aggregate functions? I need to create a function which returns the &quot;quantiles&quot; of one column using another column as a weighting. It looks like PostgreSQL supports multi-column aggregates as of 8.2.<br>
<br>
I could write an embedded R function to compute this, but want to know if it is even possible to pass in multiple columns.<br>
<br>
Thanks,<br>
Dave<br>
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</blockquote></div>