funnelR - Funnel Plots for Proportion Data
A set of simplified functions for creating funnel plots
for proportion data. This package supports user defined
benchmarks, confidence limits and estimation methods (i.e.
exact or approximate) based on Spiegelhalter (2005)
<doi:10.1002/sim.1970>. Additional routines for returning
scored unit level data according to a set of specifications is
also implemented for convenience. Specifically, both a
categorical and a continuous score variable is returned to the
sample data frame, which identifies which observations are
deemed extreme or in control. Typically, such variables are
useful as stratifications or covariates in further exploratory
analyses. Lastly, the plotting routine returns a base funnel
plot ('ggplot2'), which can also be tailored.
