(self, target, evaluated)
Add value to the accumulator

        :param target: the target value
        :param evaluated: the evaluated value
Add value to the accumulator
Add value to the accumulator
def append(self, target, evaluated):
        """ Add value to the accumulator

        :param target: the target value
        :param evaluated: the evaluated value
        """
        self.acc_square += (target - evaluated) ** 2
        self.acc += abs(target - evaluated)
        self.acc_len += 1
def append ( self , target , evaluated ) : self . acc_square += ( target - evaluated ) ** 2 self . acc += abs ( target - evaluated ) self . acc_len += 1