## ----setup, include=FALSE-----------------------------------------------------
knitr::opts_chunk$set(eval = FALSE)

## ----install_ctrdata, eval=FALSE----------------------------------------------
# install.packages("ctrdata")

## ----eval=FALSE---------------------------------------------------------------
# # install package under development
# install.packages(c("remotes"))
# remotes::install_github("rfhb/ctrdata", dependencies = TRUE, build_vignettes = TRUE)

## ----attach_ctrdata-----------------------------------------------------------
# library(ctrdata)