August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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Sample data
The data in the cf_etf_hist_price index is time series data; however, it is not continuous. The data is only for trading days. Before we can practice our machine learning task, we must provide another set of data that will fill in the non-trading days using the corresponding price data from the previous trading day. In our GitHub repository (https://github.com/PacktPublishing/Mastering-Elasticsearch-7.0/tree/master/Chapter16), three files can be downloaded: cf_rfem_hist_price_bulk_index.sh, cf_rfem_hist_price_bulk.json, and cf_rfem_hist_price_mappings.json. It contains the RFEM ETF data symbol with trading days and non-trading days. Go to the download directory and run the following command to index data to the new cf_rfem_hist_price ...
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