Documentation { elastic.js }

ejs ⟩ ExtendedStatsAggregation

A multi-value metrics aggregation that computes stats over numeric values extracted from the aggregated documents. These values can be extracted either from specific numeric fields in the documents, or be generated by a provided script.

The extended_stats aggregations is an extended version of the StatsAggregation, where additional metrics are added such as sum_of_squares, variance and std_deviation.

Module

 ExtendedStatsAggregation

 ExtendedStatsAggregation ( name )

Aggregation that computes extra stats over numeric values extracted from the aggregated documents.


Parameters
name <String> The name which be used to refer to this aggregation.

Method Summary

Returns Name Description
String_type()The type of ejs object. For internal use only.
Objectfield(field)

Sets the field to operate on.
Objectlang(language)The script language being used.
Objectparams(p)Sets parameters that will be applied to the script. Overwrites any existing params.
Objectscript(scriptCode)Allows you generate or modify the terms/values using a script.
ObjectscriptFile(scriptFile)Allows you generate or modify the terms/values using a script.
ObjectscriptId(scriptId)Allows you generate or modify the terms/values using a script.
StringtoJSON()

Retrieves the internal agg object. This is typically used by internal API functions so use with caution.

Method Detail

 _type

 String _type ( )
The type of ejs object. For internal use only.

Returns
the type of object

 field

 Object field ( field )

Sets the field to operate on.


Parameters
field <String> a valid field name..
Returns
returns this so that calls can be chained.

 lang

 Object lang ( language )
The script language being used.

Parameters
language <String> The language of the script.
Returns
returns this so that calls can be chained.

 params

 Object params ( p )
Sets parameters that will be applied to the script. Overwrites any existing params.

Parameters
p <Object> An object where the keys are the parameter name and values are the parameter value.
Returns
returns this so that calls can be chained.

 script

 Object script ( scriptCode )
Allows you generate or modify the terms/values using a script.

Parameters
scriptCode <String> A valid script string to execute.
Returns
returns this so that calls can be chained.

 scriptFile

 Object scriptFile ( scriptFile )
Allows you generate or modify the terms/values using a script.

Parameters
scriptFile <String> A valid script file to execute.
Returns
returns this so that calls can be chained.

 scriptId

 Object scriptId ( scriptId )
Allows you generate or modify the terms/values using a script.

Parameters
scriptId <String> A valid script id to execute.
Returns
returns this so that calls can be chained.

 toJSON

 String toJSON ( )

Retrieves the internal agg object. This is typically used by internal API functions so use with caution.


Returns
returns this object's internal object.

Request

Queries

Filters

Aggregations

Facets

Suggesters

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