References
Dempster, A.P., N.M. Laird, and D.B. Rubin. 1977. "Maximum Likelihood for Incomplete Data via the EM Algorithm (with Discussions)," Journal of the Royal Statistical Society, Series B 39 (1): 1–38.
Fraley, C., and E. Raftery. 2002. "Model-Based Clustering, Discriminant Analysis and Density Estimation," Journal of the American Statistical Association 97: 611–31.
Gelman, A., and J. Hill. 2011. "Opening Windows to the Black Box," Journal of Statistical Software 40.
Leisch, F. 2006. "A Toolbox for K-Centroids Cluster Analysis," Computational Statistics and Data Analysis 51 (2): 526–44. doi:
10.1016/j.csda.2005.10.006
.Raghunathan, Trivellore E, James M Lepkowski, John Van Hoewyk, and Peter Solenberger. 2001. "A Multivariate Technique for Multiply Imputing Missing Values Using a Sequence of Regression Models," Survey Methodology 27 (1): 85–96.
Schafer, J.L. 1997. Analysis of Incomplete Multivariate Data. Chapman & Hall/CRC Monographs on Statistics & Applied Probability. CRC Press...