ABS-dev/PF: Prevented fraction

Functions related to PF (prevented fraction). Calculate incidence density ratio, confidence interval, and Rao-Scott weights of PF by multiple methods. See http://goo.gl/eJ6Rxi for definition of PF. No endorsement, claim, or warranty is implied for this package. It is made available for investigational or pedagogical use only. See https://www.aphis.usda.gov/animal_health/vet_biologics/publications/STATWI0007.pdf for futher details.

install.packages("remotes")
remotes::install_github("ABS-dev/PF")