Class EwmaModel.EWMAModelBuilder
java.lang.Object
org.elasticsearch.search.aggregations.pipeline.EwmaModel.EWMAModelBuilder
- All Implemented Interfaces:
MovAvgModelBuilder
,ToXContent
,ToXContentFragment
- Enclosing class:
- EwmaModel
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Nested Class Summary
Nested classes/interfaces inherited from interface org.elasticsearch.xcontent.ToXContent
ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params
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Field Summary
Fields inherited from interface org.elasticsearch.xcontent.ToXContent
EMPTY_PARAMS
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionalpha
(double alpha) Alpha controls the smoothing of the data.build()
toXContent
(XContentBuilder builder, ToXContent.Params params) Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.elasticsearch.xcontent.ToXContentFragment
isFragment
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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 IOException - Specified by:
toXContent
in interfaceToXContent
- Throws:
IOException
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build
- Specified by:
build
in interfaceMovAvgModelBuilder
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