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

Introduction

In this page you can find the example usage for org.apache.commons.math.distribution PascalDistribution 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.AlgoInversePascal.java

protected final void compute() {

    if (input[0].isDefined() && input[1].isDefined() && input[2].isDefined()) {
        int param = (int) Math.round(a.getDouble());
        double param2 = b.getDouble();
        double val = c.getDouble();
        try {//from w w  w . jav a  2  s . c om
            PascalDistribution dist = getPascalDistribution(param, param2);

            double result = dist.inverseCumulativeProbability(val);

            // eg InversePascal[1,1,1] returns  2147483647 
            if (result >= Integer.MAX_VALUE)
                num.setValue(param);
            else
                num.setValue(result + 1);

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

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

@Override
public final void compute() {

    if (input[0].isDefined() && input[1].isDefined() && input[2].isDefined()) {
        int param = (int) Math.round(a.getDouble());
        double param2 = b.getDouble();
        double val = c.getDouble();
        try {/*from w  ww .j a  va2  s.  c  o m*/
            PascalDistribution dist = getPascalDistribution(param, param2);

            double result = dist.inverseCumulativeProbability(val);

            // eg InversePascal[1,1,1] returns 2147483647
            if (result >= Integer.MAX_VALUE)
                num.setValue(param);
            else
                num.setValue(result + 1);

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

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