public void Test()
{
double[] x = { 8, 11, 12, 9, 8, 8, 9, 9, 8, 12 };
double[] y = { 5, 10, 10, 7, 5, 6, 6, 5, 6, 8 };
var lr = new LinearRegression(x, y);
lr.Calculate();
Assert.AreEqual(-2.7540, lr.Alpha, 0.0001);
Assert.AreEqual(1.0163, lr.Beta, 0.0001);
Assert.AreEqual(0.8661, lr.R, 0.0001);
Assert.AreEqual(0.7501, lr.RSquared, 0.0001);
Assert.AreEqual(2.48, lr.Covariation, 0.0001);
}