original_docstring: Returns the kernel smoothing estimate for point x based on x-values
          xs and y-values ys.
          Not expected to be called by the user.
  
          Special implementation optimised for Biweight.
          
docstring: Returns the kernel smoothing estimate for point x based on x-values
  xs and y-values ys.
  Not expected to be called by the user.
  
  Special implementation optimised for Biweight.
docstring_tokens: Returns the kernel smoothing estimate for point x based on x - values xs and y - values ys . Not expected to be called by the user . Special implementation optimised for Biweight .
code: def smooth(self, xs, ys, x):
          """Returns the kernel smoothing estimate for point x based on x-values
          xs and y-values ys.
          Not expected to be called by the user.
  
          Special implementation optimised for Biweight.
          """
          xs, ys = self.inDomain(xs, ys, x)
  
          if len(xs) > 0:
              w = np.sum(square(subtract(1, square(divide(subtract(xs, x),
                                                          self.h)))))
              v = np.sum(multiply(ys, square(subtract(1, square(divide(
                                                  subtract(xs, x), self.h))))))
              return v / w
          else:
              return np.nan
code_tokens: def smooth ( self , xs , ys , x ) : xs , ys = self . inDomain ( xs , ys , x ) if len ( xs ) > 0 : w = np . sum ( square ( subtract ( 1 , square ( divide ( subtract ( xs , x ) , self . h ) ) ) ) ) v = np . sum ( multiply ( ys , square ( subtract ( 1 , square ( divide ( subtract ( xs , x ) , self . h ) ) ) ) ) ) return v / w else : return np . nan
short_docstring: Returns the kernel smoothing estimate for point x based on x-values
  xs and y-values ys.
short_docstring_tokens: Returns the kernel smoothing estimate for point x based on x - values xs and y - values ys .
comment: """Returns the kernel smoothing estimate for point x based on x-values
          xs and y-values ys.
          Not expected to be called by the user.
  
          Special implementation optimised for Biweight.
          """