Package org.apache.solr.client.solrj.io.eval

Class OLSRegressionEvaluator

java.lang.Object

org.apache.solr.client.solrj.io.eval.RecursiveEvaluator

org.apache.solr.client.solrj.io.eval.RecursiveObjectEvaluator

org.apache.solr.client.solrj.io.eval.OLSRegressionEvaluator

All Implemented Interfaces:

Serializable, ManyValueWorker, StreamEvaluator, ValueWorker, Expressible

public class OLSRegressionEvaluator
extends RecursiveObjectEvaluator
implements ManyValueWorker

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	OLSRegressionEvaluator.MultipleRegressionTuple

Field Summary

Fields

Modifier and Type	Field	Description
protected static long	serialVersionUID

Fields inherited from class org.apache.solr.client.solrj.io.eval.RecursiveEvaluator

constructingFactory, containedEvaluators, nodeId, streamContext

Constructor Summary

Constructors

Constructor	Description
OLSRegressionEvaluator(StreamExpression expression, StreamFactory factory)

Method Summary

Modifier and Type	Method	Description
Object	doWork(Object... values)
protected org.apache.commons.math3.stat.regression.MultipleLinearRegression	regress(double[][] observations, double[] outcomes)

Methods inherited from class org.apache.solr.client.solrj.io.eval.RecursiveEvaluator

evaluate, getStreamContext, normalizeInputType, normalizeOutputType, recursivelyEvaluate, setStreamContext, toExplanation, toExpression

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.solr.client.solrj.io.eval.StreamEvaluator

evaluateOverContext

Field Detail

serialVersionUID

protected static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

OLSRegressionEvaluator

public OLSRegressionEvaluator(StreamExpression expression,
                              StreamFactory factory)
                       throws IOException

Throws:

IOException

Method Detail

doWork

public Object doWork(Object... values)
              throws IOException

Specified by:

doWork in interface ManyValueWorker

Specified by:

doWork in interface ValueWorker

Throws:

IOException

regress

protected org.apache.commons.math3.stat.regression.MultipleLinearRegression regress(double[][] observations,
                                                                                    double[] outcomes)