compute_moving_avg	compute_moving_avg
ferti_analysis	ferti_analysis
fit_variance_law	fit_variance_law
generate_plot_shapes	generate_plot_shapes
get_Tvals	get_Tvals
make_horizontal	make_horizontal
make_vertical	make_vertical
population_variance	population_variance
serial_corr	serial_corr
serial_corrl	serial_corrl
