N_f = 10; N_r = 1; generate_confidence_plot; N_f = 2; N_r = 2; generate_confidence_plot; N_f = 1; N_r = 10; generate_confidence_plot; N_f = 10; N_r = 10; generate_confidence_plot; N_f = 20; N_r = 20; generate_confidence_plot; N_f = 50; N_r = 50; generate_confidence_plot; N_f = 100; N_r = 100; generate_confidence_plot; N_f = 300; N_r = 300; generate_confidence_plot;