How many components are there in the normal mixture model for the galaxy (Session 1)
Joint Psychology/Applied Statistics Colloquium
by Murray Aitkin
Abstract: The galaxy data and clustering of recession velocities of galaxies. The
normal mixture model for clustering. ML by the EM algorithm. Increasing
the number of components.
How many components? - Non-regular behaviour of the LRT for comparing K
and K-1 components. Bootstrapping the LR test. Difficulties with test size.
For More Information: Owen Jones tel:8344-6412 email: O.Jones@ms.unimelb.edu.au