Implements sensitivity analysis from Rosenbaum and Rubin for offline policy evaluation, as implemented in simple rules
You can install rnr from github with:
# install.packages("devtools")
# devtools::install_github("jongbinjung/rnr")
install.packages("rnr", repos = c('https://jongbinjung.r-universe.dev', 'https://cloud.r-project.org'))