Class HuberMetric
java.lang.Object
org.elasticsearch.client.ml.dataframe.evaluation.regression.HuberMetric
- All Implemented Interfaces:
EvaluationMetric
,org.elasticsearch.common.xcontent.ToXContent
,org.elasticsearch.common.xcontent.ToXContentObject
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/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
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Field Summary
Modifier and TypeFieldDescriptionstatic org.elasticsearch.common.xcontent.ParseField
static String
Fields inherited from interface org.elasticsearch.common.xcontent.ToXContent
EMPTY_PARAMS
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionboolean
static HuberMetric
fromXContent(org.elasticsearch.common.xcontent.XContentParser parser)
getName()
Returns the name of the metricint
hashCode()
org.elasticsearch.common.xcontent.XContentBuilder
toXContent(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, wait
Methods inherited from interface org.elasticsearch.common.xcontent.ToXContentObject
isFragment
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Field Details
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NAME
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DELTA
public static final org.elasticsearch.common.xcontent.ParseField DELTA
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Constructor Details
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HuberMetric
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Method Details
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fromXContent
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getName
Description copied from interface:EvaluationMetric
Returns the name of the metric- Specified by:
getName
in 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 IOException- Specified by:
toXContent
in interfaceorg.elasticsearch.common.xcontent.ToXContent
- Throws:
IOException
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equals
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hashCode
public int hashCode()
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