calc_average            Calculate averages
calc_compindex          Calculating composite indicator automatically
                        step by step
ci_optimizer            Optmization algorithm based on fmincon
scaling                 Normalization and standardization techniques
si_linear               Calculate Si using linear method
si_linear_exc           Calculate Si using linear method by excluding
                        Xi
si_linear_exc_vif       Calculate Si using linear method by excluding
                        Xi using VIF
