You will be able to do this soon. See: https://github.com/elasticsearch/elasticsearch/pull/7075
Thanks, Matt Weber On Aug 9, 2014 10:44 AM, "James Cook" <djamesc...@gmail.com> wrote: > There seems to be some reluctance by ES team to provide scrip table > aggregators, or perhaps it's on a roadmap and just taking a long time. > Kimchi has stated that he would like to identify these use cases and roll > them into built-in aggregations so everyone can benefit. I think the range > of these use cases is too broad for a specific set of implementations. The > aggregations types included are fine for simple stats and bucketing, but > there are probably hundreds of scenarios that require custom aggregation. > > I'll probably look into creating a custom aggregator for my use case. > > Note: a lot of the custom aggregators mentioned in this forum are general > implementations of the reduce clause in a map reduce statement. > > My use case is the implementation of an Item Response Theory algorithm on > a filtered result set. The idea is that a list of student responses to a > question can be incrementally processed to result in a proficiency value. > The filter (map) results are restricted to a timeframe and sorted, and the > aggregation (reduce) step will incrementally inject each students score > into an algorithm that progressively converges on the student's ability > magnitude to answer those questions. > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to elasticsearch+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/4b8725e6-c73b-4da7-abeb-330c1e0d2406%40googlegroups.com > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAJ3KEoAwv2m1-hLHGWnY6wF%3DDEQwDBqau_KN%2BMQTcgs%2BZooE0A%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
