251 citations · 449 across the 9 of their papers we have counts for
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stat.ME2016★ 10 cited
Shared Subspace Models for Multi-Group Covariance Estimation
Alexander Franks, Peter Hoff
We develop a model-based method for evaluating heterogeneity among several p x p covariance matrices in the large p, small n setting. This is done by assuming a spiked covariance m…
stat.ME2016
Non-standard conditionally specified models for non-ignorable missing data
Alexander M Franks, Edoardo M Airoldi, Donald B Rubin
Data analyses typically rely upon assumptions about missingness mechanisms that lead to observed versus missing data. When the data are missing not at random, direct assumptions ab…