pim is a package providing probabilistix index models in R, and is available on CRAN. The stable release can be installed using install.packages("pim"). The updated stable version in this repo can be installed using the devtools package.
devtools::install_github("CenterForStatistics-UGent/pim")
If you want to install the development version in the branch devel, you can use:
devtools::install_github("CenterForStatistics-UGent/pim", ref = "devel")
The current version of the pim package works differently from the example code used in the original publications. The current package provides extensive help pages and a vignette you can use as a reference. With vignette("pim") you'll open a PDF with this reference material.
If you insist on trying the old version, you can find this on the R-Forge repository. The R-Forge repository is maintained solely for legacy reasons, but no longer actively used for development. Unless you have a very good reason to do so, we strongly encourage you to use the stable version on CRAN or the development version here on github.
The methodology is described in the following paper:
Thas O, De Neve J, Clement L and Ottoy J (2012). “Probabilistic Index Models.” Journal of the Royal Statistical Society B, 74(4), pp. 623-671. doi: 10.1111/j.1467-9868.2011.01020.x
Please refer to the methodological paper when using the pim package for research. How to refer to the pim package itself, is shown by
citation("pim")