# README

CRF is an R package implemented modeling and computational tools for conditional random fields (CRF) model as well as other probabilistic undirected graphical models of discrete data with pairwise and unary potentials.

### How to install?

- Stable version: The stable version of CRF is available in the following websites:
CRAN: https://CRAN.R-project.org/package=CRF

R users can directly install CRF package in the R terminal using the command `install.packages("CRF")`

R-Forge: http://R-Forge.R-project.org/projects/crf/

R users can also install CRF package in the R terminal using the command `install.packages("CRF", repos="http://R-Forge.R-project.org")`

- Latest beta version: The latest developmental version of CRF can be downloaded from GitHub and installed from source.
- GitHub: https://github.com/wulingyun/CRF

### How to use?

There are documentation available within package. To read the documents in the R terminal using the command `?CRF`

Some examples can be found in the 'tests' directory of package source.

### R Packages that uses CRF

If you use CRF in your package and project, please inform us so that we can add the link here.

- R Packages
- Corbi: https://github.com/wulingyun/Corbi