aggregate_func	aggregate_func
build_limits_lookup	build_limits_lookup
calculate_limits	calculate_limits
draw_plot	draw_plot
funnel_clean	funnel_clean
funnel_grey	funnel_grey
funnel_plot	funnel_plot
limits	limits
outliers	outliers
phi	phi
phi_func	phi_func
source_data	source_data
tau2	tau2
tau_func	tau_func
transformed_zscore	transformed_zscore
truncation	truncation
winsorisation	winsorisation
