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Document type:
Zeitschriftenaufsatz 
Author(s):
Chen, Wenyu; Drton, Mathias; Wang, Y Samuel 
Title:
On causal discovery with an equal-variance assumption 
Abstract:
Prior work has shown that causal structure can be uniquely identified from observational data when these follow a structural equation model whose error terms have equal variance. We show that this fact is implied by an ordering among conditional variances. We demonstrate that ordering estimates of these variances yields a simple yet state-of-the-art method for causal structure learning that is readily extendable to high-dimensional problems. 
Dewey Decimal Classification:
510 Mathematik 
Journal title:
Biometrika 
Year:
2019 
Journal volume:
106 
Year / month:
2019-12 
Quarter:
4. Quartal 
Month:
Dec 
Journal issue:
Pages contribution:
973-980 
Language:
en 
Fulltext / DOI:
Publisher:
Oxford University Press (OUP) 
E-ISSN:
0006-34441464-3510 
Date of publication:
24.09.2019 
Format:
Text