The CRAN version is here: https://cran.r-project.org/package=bgmm

Install the dev version with

devtools::install_github("pbiecek/bgmm")

Detailed description of this package is available in paper: The R Package bgmm: Mixture Modeling with Uncertain Knowledge Przemyslaw Biecek, Ewa Szczurek, Martin Vingron, Jerzy Tiuryn JSS Vol. 47, Issue 3, Apr 2012 http://www.jstatsoft.org/v47/i03/