Example usage for org.apache.commons.math.distribution ZipfDistribution inverseCumulativeProbability

Introduction

In this page you can find the example usage for org.apache.commons.math.distribution ZipfDistribution inverseCumulativeProbability.

Prototype

int inverseCumulativeProbability(double p) throws MathException;

Source Link

Document

For this distribution, X, this method returns the largest x such that P(X ≤ x) <= p.

Usage

From source file:geogebra.kernel.statistics.AlgoInverseZipf.java

protected final void compute() {

    if (input[0].isDefined() && input[1].isDefined() && input[2].isDefined()) {
        int param = (int) a.getDouble();
        double param2 = b.getDouble();
        double val = c.getDouble();
        try {//from  ww  w  .  j  a  v  a  2 s .  com
            ZipfDistribution dist = getZipfDistribution(param, param2);
            num.setValue(dist.inverseCumulativeProbability(val) + 1);

        } catch (Exception e) {
            num.setUndefined();
        }
    } else
        num.setUndefined();
}

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From source file:geogebra.common.kernel.statistics.AlgoInverseZipf.java

@Override
public final void compute() {

    if (input[0].isDefined() && input[1].isDefined() && input[2].isDefined()) {
        int param = (int) a.getDouble();
        double param2 = b.getDouble();
        double val = c.getDouble();
        try {/* w  ww .j a  va 2s  . com*/
            ZipfDistribution dist = getZipfDistribution(param, param2);
            num.setValue(dist.inverseCumulativeProbability(val) + 1);

        } catch (Exception e) {
            num.setUndefined();
        }
    } else
        num.setUndefined();
}

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