LPGM.ord | R Documentation |
This function estimates the adjacency matrix of a Local Poisson Graphical Model (LPGM) given a matrix of counts and topological ordering, using generalized linear models. It is a natural extension of the LPGM of Allen and Liu (2013). See Nguyen et al. (2022) for details.
LPGM.ord(X, order, alpha)
X |
the matrix of counts (n times p). |
order |
the topological ordering of variables (names of nodes). |
alpha |
the significant level of the tests. |
the estimated adjacency matrix of the graph.
Allen and Liu (2013). A local Poisson graphical model for inferring networksfrom sequencing data. IEEE Transactions on NanoBioscience, 12(3), 189–198.
Nguyen, Chiogna, Risso, Banzato (2022). Guided structure learning of DAGs for count data. arXiv:2206.09754.
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