Class InternalMatrixStats
- java.lang.Object
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- org.elasticsearch.search.aggregations.InternalAggregation
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- org.elasticsearch.search.aggregations.matrix.stats.InternalMatrixStats
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- All Implemented Interfaces:
NamedWriteable
,Writeable
,ToXContent
,ToXContentFragment
,Aggregation
,MatrixStats
public class InternalMatrixStats extends InternalAggregation implements MatrixStats
Computes distribution statistics over multiple fields
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Nested Class Summary
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Nested classes/interfaces inherited from class org.elasticsearch.search.aggregations.InternalAggregation
InternalAggregation.ReduceContext
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Nested classes/interfaces inherited from interface org.elasticsearch.search.aggregations.Aggregation
Aggregation.CommonFields
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Nested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent
ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params
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Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable
Writeable.Reader<V extends java.lang.Object>, Writeable.Writer<V extends java.lang.Object>
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Field Summary
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Fields inherited from class org.elasticsearch.search.aggregations.InternalAggregation
metaData, name
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Fields inherited from interface org.elasticsearch.search.aggregations.Aggregation
TYPED_KEYS_DELIMITER
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Fields inherited from interface org.elasticsearch.common.xcontent.ToXContent
EMPTY_PARAMS
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Constructor Summary
Constructors Constructor Description InternalMatrixStats(StreamInput in)
Read from a stream.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected boolean
doEquals(java.lang.Object obj)
protected int
doHashCode()
InternalAggregation
doReduce(java.util.List<InternalAggregation> aggregations, InternalAggregation.ReduceContext reduceContext)
protected void
doWriteTo(StreamOutput out)
XContentBuilder
doXContentBody(XContentBuilder builder, ToXContent.Params params)
double
getCorrelation(java.lang.String fieldX, java.lang.String fieldY)
get the correlation between the two fieldsdouble
getCovariance(java.lang.String fieldX, java.lang.String fieldY)
get the covariance between the two fieldslong
getDocCount()
get the number of documentslong
getFieldCount(java.lang.String field)
get the number of samples for the given field.double
getKurtosis(java.lang.String field)
get the distribution shape for the given fielddouble
getMean(java.lang.String field)
get the mean for the given fieldjava.lang.Object
getProperty(java.util.List<java.lang.String> path)
double
getSkewness(java.lang.String field)
get the distribution skewness for the given fielddouble
getVariance(java.lang.String field)
get the variance for the given fieldjava.lang.String
getWriteableName()
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Methods inherited from class org.elasticsearch.search.aggregations.InternalAggregation
equals, getMetaData, getName, getProperty, getType, hashCode, isMapped, pipelineAggregators, readSize, reduce, toString, toXContent, writeSize, writeTo
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.elasticsearch.search.aggregations.Aggregation
getMetaData, getName, getType
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Methods inherited from interface org.elasticsearch.common.xcontent.ToXContent
toXContent
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Methods inherited from interface org.elasticsearch.common.xcontent.ToXContentFragment
isFragment
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Constructor Detail
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InternalMatrixStats
public InternalMatrixStats(StreamInput in) throws java.io.IOException
Read from a stream.- Throws:
java.io.IOException
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Method Detail
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doWriteTo
protected void doWriteTo(StreamOutput out) throws java.io.IOException
- Specified by:
doWriteTo
in classInternalAggregation
- Throws:
java.io.IOException
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getWriteableName
public java.lang.String getWriteableName()
- Specified by:
getWriteableName
in interfaceNamedWriteable
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getDocCount
public long getDocCount()
get the number of documents- Specified by:
getDocCount
in interfaceMatrixStats
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getFieldCount
public long getFieldCount(java.lang.String field)
get the number of samples for the given field. == docCount - numMissing- Specified by:
getFieldCount
in interfaceMatrixStats
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getMean
public double getMean(java.lang.String field)
get the mean for the given field- Specified by:
getMean
in interfaceMatrixStats
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getVariance
public double getVariance(java.lang.String field)
get the variance for the given field- Specified by:
getVariance
in interfaceMatrixStats
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getSkewness
public double getSkewness(java.lang.String field)
get the distribution skewness for the given field- Specified by:
getSkewness
in interfaceMatrixStats
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getKurtosis
public double getKurtosis(java.lang.String field)
get the distribution shape for the given field- Specified by:
getKurtosis
in interfaceMatrixStats
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getCovariance
public double getCovariance(java.lang.String fieldX, java.lang.String fieldY)
get the covariance between the two fields- Specified by:
getCovariance
in interfaceMatrixStats
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getCorrelation
public double getCorrelation(java.lang.String fieldX, java.lang.String fieldY)
get the correlation between the two fields- Specified by:
getCorrelation
in interfaceMatrixStats
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doXContentBody
public XContentBuilder doXContentBody(XContentBuilder builder, ToXContent.Params params) throws java.io.IOException
- Specified by:
doXContentBody
in classInternalAggregation
- Throws:
java.io.IOException
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getProperty
public java.lang.Object getProperty(java.util.List<java.lang.String> path)
- Specified by:
getProperty
in classInternalAggregation
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doReduce
public InternalAggregation doReduce(java.util.List<InternalAggregation> aggregations, InternalAggregation.ReduceContext reduceContext)
- Specified by:
doReduce
in classInternalAggregation
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doHashCode
protected int doHashCode()
- Specified by:
doHashCode
in classInternalAggregation
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doEquals
protected boolean doEquals(java.lang.Object obj)
- Specified by:
doEquals
in classInternalAggregation
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