public void MeanTest()
{
double[,] matrix =
{
{ 2, -1.0, 5 },
{ 7, 0.5, 9 },
};
double[] rowMean = Measures.Mean(matrix, 0);
Assert.IsTrue(rowMean.IsEqual(new []{ 4.5000, -0.2500, 7.0000 }));
double[] colMean = Measures.Mean(matrix, 1);
Assert.IsTrue(colMean.IsEqual(2, 5.5));
}