Class HuberMetric
java.lang.Object
org.elasticsearch.client.ml.dataframe.evaluation.regression.HuberMetric
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EvaluationMetric,org.elasticsearch.common.xcontent.ToXContent,org.elasticsearch.common.xcontent.ToXContentObject
public class HuberMetric extends java.lang.Object implements EvaluationMetric
Calculates the pseudo Huber loss function.
equation: huber = 1/n * Σ(δ^2 * sqrt(1 + a^2 / δ^2) - 1)
where: a = y - y´
δ - parameter that controls the steepness
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Nested Class Summary
Nested Classes Modifier and Type Class Description static classHuberMetric.ResultNested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent
org.elasticsearch.common.xcontent.ToXContent.DelegatingMapParams, org.elasticsearch.common.xcontent.ToXContent.MapParams, org.elasticsearch.common.xcontent.ToXContent.Params -
Field Summary
Fields Modifier and Type Field Description static org.elasticsearch.common.ParseFieldDELTAstatic java.lang.StringNAMEFields inherited from interface org.elasticsearch.common.xcontent.ToXContent
EMPTY_PARAMS -
Constructor Summary
Constructors Constructor Description HuberMetric(java.lang.Double delta) -
Method Summary
Modifier and Type Method Description booleanequals(java.lang.Object o)static HuberMetricfromXContent(org.elasticsearch.common.xcontent.XContentParser parser)java.lang.StringgetName()Returns the name of the metricinthashCode()org.elasticsearch.common.xcontent.XContentBuildertoXContent(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params)Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.elasticsearch.common.xcontent.ToXContentObject
isFragment
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Field Details
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NAME
public static final java.lang.String NAME -
DELTA
public static final org.elasticsearch.common.ParseField DELTA
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Constructor Details
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HuberMetric
public HuberMetric(@Nullable java.lang.Double delta)
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Method Details
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fromXContent
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getName
public java.lang.String getName()Description copied from interface:EvaluationMetricReturns the name of the metric- Specified by:
getNamein interfaceEvaluationMetric
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toXContent
public org.elasticsearch.common.xcontent.XContentBuilder toXContent(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params) throws java.io.IOException- Specified by:
toXContentin interfaceorg.elasticsearch.common.xcontent.ToXContent- Throws:
java.io.IOException
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equals
public boolean equals(java.lang.Object o)- Overrides:
equalsin classjava.lang.Object
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hashCode
public int hashCode()- Overrides:
hashCodein classjava.lang.Object
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