August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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Integration with the Bollinger Band
In the last section, we introduced the workflow of buildAnalyticsModel. After we insert/update the ETF data to the cf_etf_history_data index, we compute the data for the Bollinger Band. Let's recall the details to compute the Bollinger Band from the Operational data analytics section of Chapter 10, Using Elasticsearch for Exploratory Data Analysis, to work on Java programming. The step-by-step instructions are as follows:
- Collect all the related documents by performing a search operation: symbol and period are given by the user. startDate and endDate can be derived from the period. We have learned how to use Elasticsearch's high-level REST client to build a SearchRequest object in the Java high-level REST ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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