68 citations
2 papers
stat.AP2008★ 23 cited
Multi-center clinical trials: Randomization and ancillary statistics
Lu Zheng, Marvin Zelen
The purpose of this paper is to investigate and develop methods for analysis of multi-center randomized clinical trials which only rely on the randomization process as a basis of i…
stat.ML2008★ 68 cited
Penalized model-based clustering with cluster-specific diagonal covariance matrices and grouped variables
Benhuai Xie, Wei Pan, Xiaotong Shen
Clustering analysis is one of the most widely used statistical tools in many emerging areas such as microarray data analysis. For microarray and other high-dimensional data, the pr…