| public Fit ( double observations, double weights ) : IDistribution | ||
| observations | double | The array of observations to fit the model against. |
| weights | double | The weight vector containing the weight for each of the samples. |
| return | IDistribution | |
public override IDistribution Fit(double[] observations, double[] weights)
{
double mean = observations.Mean(weights);
return new PoissonDistribution(mean);
}
public void FitTest()
{
PoissonDistribution target = new PoissonDistribution(0);
double[] observations = { 0.2, 0.7, 1.0, 0.33 };
target.Fit(observations);
double expected = 0.5575;
Assert.AreEqual(expected, target.Mean);
}
