Hi meizhennan: Check this blog to see if it can help you. http://kylin.apache.org/blog/2016/11/28/intersect-count/ <http://kylin.apache.org/blog/2016/11/28/intersect-count/>
Best Regards Lijun Cao > 在 2018年12月7日，17:59，梅振楠 <meizhen...@zuoyebang.com> 写道： > > hi guys: > > now, i want to get the retention of increased user . > > i know this udaf “intersect_count” > > but the user is not increased user in the next day ,so the term is > difference > > how can i get the retention > > thanks > >
