The XMRF package and the underlying code in the package are distributed under the GPL2.0 license. Users of the package are free to use and redistribute the package but editing are prohibited. The XMRF package is available from the http://bioconductor.org/BioConductor Project and the https://github.com/zhandong/XFam/tree/master/PGMs/package's Github.
To install XMRF from BioConductor Project:
> source('http://bioconductor.org/biocLite.R')
> biocLite('XMRF')
To install XMRF from the package archive file obtained from the https://github.com/zhandong/XFam/tree/master/PGMs/package's Github :
> install.packages("XMRF_1.0.tar.gz", repos = NULL, type = "source")
2015-05-29