delta_cv	delta_cv
npvi_v	npvi_v
percentage_v	percentage_v
plot_delta_cv	plot_delta_cv
plot_npvi	plot_npvi
plot_percentage_v	plot_percentage_v
plot_rpvi	plot_rpvi
plot_varco_cv	plot_varco_cv
rpvi_c	rpvi_c
varco_cv	varco_cv
