Examples of util.Gaussian

util.Gaussian

    int numZScores = 10;
    int size = 200;
    double stdev = 20;
    double multiplier = 1000;
    
    Gaussian g = new Gaussian(size,stdev,multiplier);
    
    double[][] randomZScores = g.getNumRandomZScores(numZScores);
    
    assert(    Util.arrayContains(g.getRandomVar(), randomZScores[0])
        && Util.arrayContains(g.getPDF(), randomZScores[1]));
  }

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  {
    int size = 200;
    double stdev = 20;
    double multiplier = 1000;
    
    Gaussian g = new Gaussian(size,stdev,multiplier);
    
    assert ( Util.arrayContains(g.getPDF(), g.getRandomValue()));
  }

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  }


  @Test
  public void testIsEmpty() 
  {
    Gaussian g = new Gaussian();
    
    assert (g.isEmpty());
  }

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  public void testScaleZScores() 
  {
    double[] zscores = {0.1, 1.0, 1.5, 2.0, 2.5, 3.0};
    double scale = 100;
    
    Gaussian g = new Gaussian(zscores);
    
    for (int x=0; x < zscores.length; x++) zscores[x] *= scale;
    
    g.scaleZScores(scale);
    
    assert( Util.compareArraysByValue(g.getPDF(),zscores));
  }

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  public void testGetMean() 
  {
    double[] zscores = {0.1, 1.0, 1.5, 2.0, 2.5, 3.0};
    double mean = Util.arrayMean(zscores);
    
    Gaussian g = new Gaussian(zscores);
    
    assert( g.getMean() == mean);
  }

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  public void testGetStandardDeviation() 
  {
    double[] zscores = {0.1, 1.0, 1.5, 2.0, 2.5, 3.0};
    double stdev = Util.standardDeviation(zscores);
    
    Gaussian g = new Gaussian(zscores);
    
    assert( g.getStandardDeviation() == stdev);
  }

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Related Classes of util.Gaussian

main.Main

testing.GaussianTest

java.util.Random

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