Directed Cyclic Graphical Representations of Feedback Models. Spirtes, P. L. 1995. arXiv:1302.4982 [cs]
Paper doi abstract bibtex The use of directed acyclic graphs (DAGs) to represent conditional independence relations among random variables has proved fruitful in a variety of ways. Recursive structural equation models are one kind of DAG model. However, non-recursive structural equation models of the kinds used to model economic processes are naturally represented by directed cyclic graphs with independent errors, a characterization of conditional independence errors, a characterization of conditional independence constraints is obtained, and it is shown that the result generalizes in a natural way to systems in which the error variables or noises are statistically dependent. For non-linear systems with independent errors a sufficient condition for conditional independence of variables in associated distributions is obtained.
@misc{spirtes1995,
title = {Directed {Cyclic} {Graphical} {Representations} of {Feedback} {Models}},
url = {http://arxiv.org/abs/1302.4982},
doi = {10.48550/arXiv.1302.4982},
abstract = {The use of directed acyclic graphs (DAGs) to represent conditional independence relations among random variables has proved fruitful in a variety of ways. Recursive structural equation models are one kind of DAG model. However, non-recursive structural equation models of the kinds used to model economic processes are naturally represented by directed cyclic graphs with independent errors, a characterization of conditional independence errors, a characterization of conditional independence constraints is obtained, and it is shown that the result generalizes in a natural way to systems in which the error variables or noises are statistically dependent. For non-linear systems with independent errors a sufficient condition for conditional independence of variables in associated distributions is obtained.},
urldate = {2024-09-10},
publisher = {arXiv},
author = {Spirtes, Peter L.},
year = {1995},
note = {arXiv:1302.4982 [cs]},
keywords = {Computer Science - Artificial Intelligence},
annote = {Comment: Appears in Proceedings of the Eleventh Conference on Uncertainty in Artificial Intelligence (UAI1995)},
file = {arXiv Fulltext PDF:/Users/lcneuro/Zotero/storage/DI7SJZCR/Spirtes - 2013 - Directed Cyclic Graphical Representations of Feedb.pdf:application/pdf},
}
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