Example usage for org.apache.commons.math.stat.ranking NaturalRanking NaturalRanking

Introduction

In this page you can find the example usage for org.apache.commons.math.stat.ranking NaturalRanking NaturalRanking.

Prototype

public NaturalRanking(RandomGenerator randomGenerator) 

Source Link

Document

Create a NaturalRanking with TiesStrategy.RANDOM and the given RandomGenerator as the source of random data.

Usage

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

protected final void compute() {

    size = inputList.size();/* w  ww  .  ja  v a 2s .  c o m*/
    if (!inputList.isDefined() || size == 0) {
        outputList.setUndefined();
        return;
    }

    inputArray = new double[size];

    // load input value array from  geoList
    for (int i = 0; i < size; i++) {
        GeoElement geo = inputList.get(i);
        if (geo.isNumberValue()) {
            NumberValue num = (NumberValue) geo;
            inputArray[i] = num.getDouble();
        } else {
            outputList.setUndefined();
            return;
        }
    }

    if (rankingAlgorithm == null)
        rankingAlgorithm = new NaturalRanking(TiesStrategy.AVERAGE);

    outputArray = rankingAlgorithm.rank(inputArray);

    // copy the ranks back into a list
    outputList.setDefined(true);
    outputList.clear();
    for (int i = 0; i < size; i++) {
        outputList.add(new GeoNumeric(cons, outputArray[i]));
    }
}

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

@Override
public final void compute() {

    size = inputList.size();// www .  jav  a  2  s . c o m
    if (!inputList.isDefined() || size == 0) {
        outputList.setUndefined();
        return;
    }

    inputArray = new double[size];

    // load input value array from geoList
    for (int i = 0; i < size; i++) {
        GeoElement geo = inputList.get(i);
        if (geo instanceof NumberValue) {
            NumberValue num = (NumberValue) geo;
            inputArray[i] = num.getDouble();
        } else {
            outputList.setUndefined();
            return;
        }
    }

    if (rankingAlgorithm == null)
        rankingAlgorithm = new NaturalRanking(TiesStrategy.AVERAGE);

    outputArray = rankingAlgorithm.rank(inputArray);

    // copy the ranks back into a list
    outputList.setDefined(true);
    outputList.clear();
    for (int i = 0; i < size; i++) {
        outputList.add(new GeoNumeric(cons, outputArray[i]));
    }
}

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