append_                 Function to append new methods in the study
choose_                 Function to select the desired methods in the
                        study
monte_carlo             Function to use Monte Carlo strategy
plot.prediction_errors
                        Function to plot comparison of Prediction
                        methods
plot_circle             Function to plot comparison of Predicted values
                        in a circular ring
prediction_errors       Function working as testbench for comparison of
                        Prediction methods
