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WARNING: Version 5.x has passed its EOL date.

This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.

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Elastic Docs ›Elasticsearch.Net and NEST: the .NET clients [5.x] ›Aggregations ›Metric Aggregations

Extended Stats Aggregation Usage

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IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.

Extended Stats Aggregation Usage

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Fluent DSL example

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s => s
.Aggregations(a => a
    .ExtendedStats("commit_stats", es => es
        .Field(p => p.NumberOfCommits)
        .Sigma(1)
    )
)

Object Initializer syntax example

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new SearchRequest<Project>
{
    Aggregations = new ExtendedStatsAggregation("commit_stats", Field<Project>(p => p.NumberOfCommits)) { Sigma = 1 }
}

Example json output.

{
  "aggs": {
    "commit_stats": {
      "extended_stats": {
        "field": "numberOfCommits",
        "sigma": 1.0
      }
    }
  }
}

Handling Responses

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response.ShouldBeValid();
var commitStats = response.Aggs.ExtendedStats("commit_stats");
commitStats.Should().NotBeNull();
commitStats.Average.Should().BeGreaterThan(0);
commitStats.Max.Should().BeGreaterThan(0);
commitStats.Min.Should().BeGreaterThan(0);
commitStats.Count.Should().BeGreaterThan(0);
commitStats.Sum.Should().BeGreaterThan(0);
commitStats.SumOfSquares.Should().BeGreaterThan(0);
commitStats.StdDeviation.Should().BeGreaterThan(0);
commitStats.StdDeviationBounds.Should().NotBeNull();
commitStats.StdDeviationBounds.Upper.Should().BeGreaterThan(0);
commitStats.StdDeviationBounds.Lower.Should().NotBe(0);
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