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Elasticsearch: A Complete Guide by Saurabh Chhajed, Marek Rogoziński, Rafał Kuć, Bharvi Dixit

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Metric aggregations

As explained in the previous sections, metric aggregations allow you to find out the statistical measurement of the data, which includes the following:

  • Computing basic statistics
    • Computing in a combined way: stats aggregation
    • Computing separately : min, max, sum, value_count, aggregations
  • Computing extended statistics: extended_stats aggregation
  • Computing distinct counts: cardinality aggregation

    Note

    Metric aggregations are fundamentally categorized in two forms:

    • single-value metric: min, max, sum, value_count, avg, and cardinality aggregations
    • multi-value metric: stats and extended_stats aggregations

Computing basic stats

The basic statistics include: min, max, sum, count, and avg. These statistics can be computed in the following two ...

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