The ahm package provides estimation for the mixture-of-mixtures experiment using the additive heredity modeling strategy. Documentation for the package can be found here:
browseVignettes(package="AHM")
If you find ahm useful, please cite the following paper:
Shen, S., Kang, L., and Deng, X., (2019+) Additive heredity model for the analysis of mixture-of-mixtures experiments. Submitted.