qualCI is an R package for causal inference with qualitative and ordinal information on outcomes. It provides exact one-sided p-values and confidence intervals for an outcome variable defined on an interval measurement scale with only qualitative and ordinal information available.
How to install
qualCI requires R version 2.15.0 or higher.
Installing stable CRAN version
Installing developer version
require(devtools) install_github("qualCI", user = "kkashin", ref = "master")