# Plugin java elasticsearch

**URL:** <https://discuss.elastic.co/t/plugin-java-elasticsearch/189595>\
**Category:** Elasticsearch\
**Created:** [July 9, 2019, 4:22pm UTC](https://discuss.elastic.co/t/plugin-java-elasticsearch/189595 "2019-07-09T16:22:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jpali](https://avatars.discourse-cdn.com/v4/letter/j/ed8c4c/32.png) [@jpali](https://discuss.elastic.co/u/jpali)\
**Post date:** [July 9, 2019, 4:22pm UTC](https://discuss.elastic.co/t/plugin-java-elasticsearch/189595/1 "2019-07-09T16:22:43Z")

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Hi,

I'm trying to make a java plugin who calculate the chi-square between two fields (or more) in a index.

And I would like to know if you can access directly to a field, a method who contains values in a array ?

The documentation is for a client ES but I import my plugin in ES... help me please

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 6, 2019, 4:22pm UTC](https://discuss.elastic.co/t/plugin-java-elasticsearch/189595/2 "2019-08-06T16:22:48Z")

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