Code implementing Stochastic CVB0 (SCVB0), from: J. R. Foulds, L. Boyles, C. DuBois, P. Smyth and M. Welling. Stochastic collapsed variational Bayesian inference for latent Dirichlet allocation. Proceedings of the 19th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD), 2013.