code: function errorCalculation(
                data,
                parameters,
                parameterizedFunction
              ) {
                var error = 0;
                const func = parameterizedFunction(parameters);
  
                for (var i = 0; i < data.x.length; i++) {
                  error += Math.abs(data.y[i] - func(data.x[i]));
                }
  
                return error;
              }
docs: Calculate current error
  @ignore
  @param {{x:Array<number>, y:Array<number>}} data - Array of points to fit in the format [x1, x2, ... ], [y1, y2, ... ]
  @param {Array<number>} parameters - Array of current parameter values
  @param {function} parameterizedFunction - The parameters and returns a function with the independent variable as a parameter
  @return {number}