+1 components in a finite mixture model. The number of components is an important parameter in the applications of finite mixture … models. Still, testing the number of components has been a long-standing challenging problem because of its non … number of components. The proposed test, extending the EM approach of Li, Chen and Marriott (2009), does not use a penalty …

component distributions, we investigate how one can identify the number of components and the component distributions from the … each variable can take, and the number of identifiable components. A lower bound on the number of components (M) is … nonparametrically identifiable if k >= 2, and the maximum identifiable number of components is determined by the number of different …

components. We extend these procedures to develop a test for the number of components in binomial mixtures. …

components. We extend these procedures to develop a test for the number of components in binomial mixtures. …

Cross-validation is a tried and tested approach to select the number of components in principal component analysis (PCA …