public void GenerateTest2()
{
ExponentialDistribution target = new ExponentialDistribution(2.5);
double[] samples = new double[1000000];
for (int i = 0; i < samples.Length; i++)
samples[i] = target.Generate();
var actual = ExponentialDistribution.Estimate(samples);
actual.Fit(samples);
Assert.AreEqual(2.5, actual.Rate, 0.01);
}