Chen, Shu-Chuan; Lindsay, Bruce - In: Computational Statistics & Data Analysis 74 (2014) C, pp. 17-25
This paper is concerned with hierarchical clustering of long binary sequence data. We propose two alternative improvements of the EM algorithm used in Chen and Lindsay (2006). One is the FixEM. It is just the regular EM but we no longer update the weights πs used in the ancestral mixture...
