1. Chuanhai Liu, Donald B. Rubin , and Ying Nian Wu (1998). Parameter Expansion to Accelerate EM - The PX-EM Algorithm, To appear in Biometrika.

  2. Chuanhai Liu (1998). Information Matrix Computation from Conditional Information via Normal Approximation, Revised for Biometrika.

  3. Chuanhai Liu and Donald B. Rubin (1998). Maximum Likelihood Estimation of Factor Analysis Using the ECME Algorithm with Complete and Incomplete Data, To appear in Statistica Sinica.

  4. Chuanhai Liu and Donald B. Rubin (1998). Ellipsoidally Symmetric Extensions of the General Location Model for Mixed Categorical and Continuous Data, To appear in Biometrika.

  5. Chuanhai Liu and Don X. Sun (1997). Acceleration of the EM Algorithm for Mixture Models Using ECME, To appear in Proceedings....

  6. Douglas M Bates and Jose' C. Pinheiro (1998). Computational Methods for Multilevel Modelling.

  7. Jose' C. Pinheiro, Chuanhai Liu, and Ying Nian Wu (1998). Robust Estimation in Linear Mixed-Effects Models Using the Multivariate t Distribution, Submitted for publication.

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