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  Identifying confounders using additive noise models

Janzing, D., Peters, J., Mooij, J., & Schölkopf, B. (2009). Identifying confounders using additive noise models. In 25th Conference on Uncertainty in Artificial Intelligence (UAI 2009) (pp. 249-257). Corvallis, OR, USA: AUAI Press.

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 Urheber:
Janzing, D1, Autor           
Peters, J2, Autor           
Mooij, JM2, Autor           
Schölkopf, B2, Autor           
Bilmes, Herausgeber
J., Herausgeber
Ng, A. Y., Herausgeber
McAllester, D. A., Herausgeber
Affiliations:
1Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497795              
2Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497795              

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 Zusammenfassung: We propose a method for inferring the existence of a latent common cause ("confounder") of two observed random variables. The method assumes that the two effects of the confounder are (possibly nonlinear) functions of the confounder plus independent, additive noise. We discuss under which conditions the model is identifiable (up to an arbitrary reparameterization of the confounder) from the joint distribution of the effects. We state and prove a theoretical result that provides evidence for the conjecture that the model is generically identifiable under suitable technical conditions. In addition, we propose a practical method to estimate the confounder from a finite i.i.d. sample of the effects and illustrate that the method works well on both simulated and real-world data.

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Sprache(n):
 Datum: 2009-06
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: -
 Identifikatoren: ISBN: 978-0-9749039-5-8
URI: http://www.cs.mcgill.ca/~uai2009/
BibTex Citekey: 5903
 Art des Abschluß: -

Veranstaltung

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Titel: 25th Conference on Uncertainty in Artificial Intelligence (UAI 2009)
Veranstaltungsort: Montréal, Canada
Start-/Enddatum: -

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Titel: 25th Conference on Uncertainty in Artificial Intelligence (UAI 2009)
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Corvallis, OR, USA : AUAI Press
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 249 - 257 Identifikator: -