quokar

R package for diagnosing quantile regression models

• quokar can be easily installed on Windows and Linux using command:

devtools::install_github("wenjingwang/quokar")

• To install quokar on Mac, you need to install a fortran compiler. You can install gfortran by command,

curl -O http://r.research.att.com/libs/gfortran-4.8.2-darwin13.tar.bz2
sudo tar fvxz gfortran-4.8.2-darwin13.tar.bz2 -C /