public static double ComputeResidualSqSum(LinearRegression.LinearRegressionParameters Parameters, IEnumerable <PixelPoint> Points)
{
double Sum = 0;
foreach (PixelPoint pp in Points)
{
double Est = Parameters.Slope * pp.X + Parameters.Intercept;
Est -= pp.Y;
Sum += Est * Est;
}
return(Sum);
}
public static double ComputeResidualSqSum(LinearRegression.LinearRegressionParameters Parameters, double[] X, double[] Y)
{
System.Diagnostics.Contracts.Contract.Requires(X.Length == Y.Length);
double Sum = 0;
for (int i = 0; i < X.Length; i++)
{
double Est = Parameters.Slope * X[i] + Parameters.Intercept;
Est -= Y[i];
Sum += Est * Est;
}
return(Sum);
}