org.apache.ignite.ml.composition.predictionsaggregator

Class WeightedPredictionsAggregator

java.lang.Object

org.apache.ignite.ml.composition.predictionsaggregator.WeightedPredictionsAggregator

All Implemented Interfaces:

Serializable, Function<double[],Double>, PredictionsAggregator, IgniteFunction<double[],Double>

public final class WeightedPredictionsAggregator
extends Object
implements PredictionsAggregator

Predictions aggregator returning weighted plus of predictions. result(p1, ..., pn) = bias + p1*w1 + ... + pn*wn

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
WeightedPredictionsAggregator(double[] weights) Constructs WeightedPredictionsAggregator instance.
WeightedPredictionsAggregator(double[] weights, double bias) Constructs WeightedPredictionsAggregator instance.

Method Summary

Modifier and Type	Method and Description
Double	apply(double[] answers)
double	getBias()
double[]	getWeights()
String	toString()
String	toString(boolean pretty) Represents aggregator as String.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.ml.math.functions.IgniteFunction

andThen, constant, identity

Methods inherited from interface java.util.function.Function

andThen, compose

Constructor Detail

WeightedPredictionsAggregator

public WeightedPredictionsAggregator(double[] weights)

Constructs WeightedPredictionsAggregator instance.

Parameters:

weights - Weights.

WeightedPredictionsAggregator

public WeightedPredictionsAggregator(double[] weights,
                                     double bias)

Constructs WeightedPredictionsAggregator instance.

Parameters:

weights - Weights.

bias - Bias.

Method Detail

apply

public Double apply(double[] answers)

Specified by:

apply in interface Function<double[],Double>

toString

public String toString()

Overrides:

toString in class Object

toString

public String toString(boolean pretty)

Represents aggregator as String.

Specified by:

toString in interface PredictionsAggregator

Parameters:

pretty - Use pretty mode.

getWeights

public double[] getWeights()

getBias

public double getBias()