Article
A sparse Ising model with covariates.
Biometrics - 1 Dec 2014
Cheng Jie, Levina Elizaveta, Wang Pei, Zhu Ji
Abstract excerpt
There has been a lot of work fitting Ising models to multivariate binary data in order to understand the conditional dependency relationships between the variables. However, additional covariates are frequently recorded together with the binary data, and may influence the dependence relationships. Motivated by such a dataset on genomic instability collected from tumor samples of several types, we propose a sparse...
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