anchor.diff:              /// Regression through the origin (y : x -> bx)
               module RTO =
               
  -                /// Caclualtes the coefficients for linear regression through the origin 
  +                /// Calculates the coefficients for linear regression through the origin 
                   let coefficientOfVector (x : Vector<float>) (y : Vector<float>) =
                       if x.Length <> y.Length then
                           raise (System.ArgumentException("vector x and y have to be the same size!"))
  
positive.code:                                                 )
  
              module Multivariable =           
                  /// Caclualtes the coefficients for linear regression
                  /// in the form of [|intercept; slope;|]
                  let coefficients (x_data : Matrix<float>) (y_data : Vector<float>) =
                      if x_data.NumRows <> y_data.Length then
  
negative.code:                 Matrix.init vec.Length (order+1) (fun m order -> pown vec.[m] order) 
                  //Matrix. ofRowVector (vector [ for i = 0 to (vec.Count - 1) do yield (vandermondeRow order vec.[i]) ])
              
              /// Calculates the coefficients for polynomial regression
              let coefficient order (x_data : Vector<float>) (y_data : Vector<float>) =
                  if x_data.Length <> y_data.Length then
                      raise (System.ArgumentException("vector x and y have to be the same size!"))
  