public double SlopeWithoutIntercept(Statistics x)
{
double dotProduct = 0;
for (int i = 0; i < Length; i++)
{
dotProduct += _list[i] * x._list[i];
}
return(dotProduct / x.SumOfSquares());
}
public static double StdDevSlopeWithoutIntercept(Statistics y, Statistics x)
{
try
{
return(StdDevYWithoutIntercept(y, x) / Math.Sqrt(x.SumOfSquares()));
}
catch
{
return(double.NaN);
}
}
public static double StdDevA(Statistics y, Statistics x)
{
try
{
return(StdDevY(y, x) * Math.Sqrt(x.SumOfSquares() / (x._list.Length * x.VarianceTotal())));
}
catch (Exception)
{
return(double.NaN);
}
}
private static double StdDevYWithoutIntercept(Statistics y, Statistics x)
{
Statistics residuals = ResidualsWithoutIntercept(y, x);
return(Math.Sqrt(residuals.SumOfSquares() / (residuals._list.Length - 2)));
}
public double SlopeWithoutIntercept(Statistics x)
{
double dotProduct = 0;
for (int i = 0; i < Length; i++)
{
dotProduct += _list[i]*x._list[i];
}
return dotProduct/x.SumOfSquares();
}
public static double StdDevSlopeWithoutIntercept(Statistics y, Statistics x)
{
try
{
return StdDevYWithoutIntercept(y, x)/Math.Sqrt(x.SumOfSquares());
}
catch
{
return double.NaN;
}
}
public static double StdDevA(Statistics y, Statistics x)
{
try
{
return StdDevY(y, x) * Math.Sqrt(x.SumOfSquares() / (x._list.Length * x.VarianceTotal()));
}
catch (Exception)
{
return double.NaN;
}
}
