change_point_detection.CusumElement.java Source code

Introduction

Here is the source code for change_point_detection.CusumElement.java

Source

/*
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package change_point_detection;

import org.apache.commons.math.distribution.BetaDistributionImpl;

/**
 *
 * @author axh129430
 */
public class CusumElement {
    private BetaDistributionImpl preChangeDist;
    private Double preChangeMean;
    private BetaDistributionImpl postChangeDist;
    private Double cusumScore;

    public CusumElement(double alphaPreChange, double betaPreChange, double alphaPostChange, double betaPostChange,
            double preChangeMean, double cusumScore) {
        this.preChangeDist = new BetaDistributionImpl(alphaPreChange, betaPreChange);
        this.postChangeDist = new BetaDistributionImpl(alphaPostChange, betaPostChange);
        this.preChangeMean = preChangeMean;
        this.cusumScore = cusumScore;
    }

    public CusumElement(BetaDistributionImpl preChangeDist, BetaDistributionImpl postChangeDist,
            double preChangeMean, double cusumScore) {
        this.preChangeDist = preChangeDist;
        this.postChangeDist = postChangeDist;
        this.preChangeMean = preChangeMean;
        this.cusumScore = cusumScore;
    }

    public CusumElement() {
        this.preChangeDist = null;
        this.postChangeDist = null;
        this.preChangeMean = Double.MIN_VALUE;
        this.cusumScore = Double.MIN_VALUE;
    }

    public BetaDistributionImpl getPreChangeDist() {
        return this.preChangeDist;
    }

    public BetaDistributionImpl getPostChangeDist() {
        return this.postChangeDist;
    }

    public Double getPreChangeMean() {
        return this.preChangeMean;
    }

    public Double getCusumScore() {
        return this.cusumScore;
    }

    public void setPreChangeDist(BetaDistributionImpl preChangeDist) {
        this.preChangeDist = preChangeDist;
    }

    public void setPostChangeDist(BetaDistributionImpl postChangeDist) {
        this.postChangeDist = postChangeDist;
    }

    public void setPreChangeMean(Double preChangeMean) {
        this.preChangeMean = preChangeMean;
    }

    public void setCusumScore(Double cusumScore) {
        this.cusumScore = cusumScore;
    }

    public void clear() {
        this.preChangeDist = null;
        this.postChangeDist = null;
        this.preChangeMean = Double.MIN_VALUE;
        this.cusumScore = Double.MIN_VALUE;
    }
}