Class EwmaModel.EWMAModelBuilder
java.lang.Object
org.elasticsearch.search.aggregations.pipeline.EwmaModel.EWMAModelBuilder
- All Implemented Interfaces:
ToXContent
,ToXContentFragment
,MovAvgModelBuilder
- Enclosing class:
- EwmaModel
public static class EwmaModel.EWMAModelBuilder extends java.lang.Object implements MovAvgModelBuilder
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Nested Class Summary
Nested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent
ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params
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Field Summary
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Constructor Summary
Constructors Constructor Description EWMAModelBuilder()
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Method Summary
Modifier and Type Method Description EwmaModel.EWMAModelBuilder
alpha(double alpha)
Alpha controls the smoothing of the data.MovAvgModel
build()
XContentBuilder
toXContent(XContentBuilder builder, ToXContent.Params params)
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Constructor Details
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EWMAModelBuilder
public EWMAModelBuilder()
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Method Details
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alpha
Alpha controls the smoothing of the data. Alpha = 1 retains no memory of past values (e.g. a random walk), while alpha = 0 retains infinite memory of past values (e.g. the series mean). Useful values are somewhere in between. Defaults to 0.5.- Parameters:
alpha
- A double between 0-1 inclusive, controls data smoothing- Returns:
- The builder to continue chaining
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toXContent
public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws java.io.IOException- Specified by:
toXContent
in interfaceToXContent
- Throws:
java.io.IOException
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build
- Specified by:
build
in interfaceMovAvgModelBuilder
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