public void Test_Magic_3_PCA()
{
Matrix X = new[, ]
{
{ 8, 1, 6 },
{ 3, 5, 7 },
{ 4, 9, 2 }
};
Matrix Y = new[, ]
{
{ -4.8990e+000, -1.4142e+000 },
{ 4.4409e-016, 2.8284e+000 },
{ 4.8990e+000, -1.4142e+000 }
};
var pca = new PCA();
pca.Generate(X);
var Yt = pca.Reduce(2).T;
for (int i = 0; i < Y.Rows; i++)
{
for (int j = 0; j < Y.Cols; j++)
{
Assert.Equal(Y[i, j], Yt[i, j], 3);
}
}
}
public void Test_Numerical_PCA()
{
Matrix m = new[, ]
{
{ 2.5, 2.4 },
{ 0.5, 0.7 },
{ 2.2, 2.9 },
{ 1.9, 2.2 },
{ 3.1, 3.0 },
{ 2.3, 2.7 },
{ 2.0, 1.6 },
{ 1.0, 1.1 },
{ 1.5, 1.6 },
{ 1.1, 0.9 }
};
PCA pca = new PCA();
pca.Generate(m);
}
