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@ARTICLE{Gbler:271116,
author = {Göbler, Konstantin and Drton, Mathias and Mukherjee, Sach
and Miloschewski, Anne},
title = {{H}igh-dimensional undirected graphical models for
arbitrary mixed data},
journal = {Electronic journal of statistics},
volume = {18},
number = {1},
issn = {1935-7524},
address = {Ithaca, NY},
publisher = {Cornell University Library},
reportid = {DZNE-2024-00984},
pages = {2339 - 2404},
year = {2024},
abstract = {Graphical models are an important tool in exploring
relationships between variables in complex, multivariate
data. Methods for learning such graphical models are
well-developed in the case where all variables are either
continuous or discrete, including in high dimensions.
However, in many applications, data span variables of
different types (e.g., continuous, count, binary, ordinal,
etc.), whose principled joint analysis is nontrivial. Latent
Gaussian copula models, in which all variables are modeled
as transformations of underlying jointly Gaussian variables,
represent a useful approach. Recent advances have shown how
the binary-continuous case can be tackled, but the general
mixed variable type regime remains challenging. In this
work, we make the simple but useful observation that
classical ideas concerning polychoric and polyserial
correlations can be leveraged in a latent Gaussian copula
framework. Building on this observation, we propose a
flexible and scalable methodology for data with variables of
entirely general mixed type. We study the key properties of
the approaches theoretically and empirically.},
cin = {AG Mukherjee},
ddc = {310},
cid = {I:(DE-2719)1013030},
pnm = {354 - Disease Prevention and Healthy Aging (POF4-354)},
pid = {G:(DE-HGF)POF4-354},
typ = {PUB:(DE-HGF)16},
doi = {10.1214/24-EJS2254},
url = {https://pub.dzne.de/record/271116},
}