public override float[] PredictStrength(BaseVector x)
{
double[] projectedTest = MatrixUtils.VectorTimesMatrix(x, projection);
float[] distances = new float[ngroups];
IDistance distance = new EuclideanDistance();
for (int j = 0; j < ngroups; j++){
distances[j] = -(float) distance.Get(projectedTest, projectedGroupMeans[j]);
}
return distances;
}
public void TestGeneralDistanceMatrix()
{
var distance = new EuclideanDistance();
var distanceMatrix = new GenericDistanceMatrix(new FloatMatrixIndexer(new float[,] { {0,0}, {1,0}, {3,0} }), distance);
Assert.AreEqual(0, distanceMatrix[0,0]);
Assert.AreEqual(0, distanceMatrix[2,2]);
Assert.AreEqual(distanceMatrix[1,2], distanceMatrix[2,1]);
Assert.AreEqual(1, distanceMatrix[1,0]);
Assert.AreEqual(2, distanceMatrix[1,2]);
distanceMatrix[0, 1] = -1;
Assert.AreEqual(-1, distanceMatrix[0, 1]);
}