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CCVAE: A Variational Autoencoder for Handling Censored Covariates
Linköping University, Department of Computer and Information Science, The Division of Statistics and Machine Learning. Linköping University, Faculty of Arts and Sciences. Ericsson Res, Sweden.ORCID iD: 0000-0003-4271-6683
Linköping University, Department of Computer and Information Science, The Division of Statistics and Machine Learning. Linköping University, Faculty of Arts and Sciences.
2022 (English)In: 2022 21ST IEEE INTERNATIONAL CONFERENCE ON MACHINE LEARNING AND APPLICATIONS, ICMLA, IEEE COMPUTER SOC , 2022, p. 709-714Conference paper, Published paper (Refereed)
Abstract [en]

For time or safety critical scenarios when faulty predictions or decisions can have crucial consequences, such as in certain telecommunications scenarios, reliable prediction models and accurate data are of the essence. When modeling and predicting data in such scenarios, data with censored covariates remain an issue as ignoring them or imputing them with lack of precision may cause inaccurate or uncertain predictions. In this paper, we provide a fast, reliable Variational Autoencoder framework which can handle covariate censoring in high dimensional data. Our numerical experiments demonstrate that our framework compares favorably to alternative methods in terms of prediction accuracy for both the response and the covariates, while enabling estimation of the prediction uncertainties. We moreover demonstrate that the method is at least 8 times faster than the benchmark models used in this paper, and more robust to initial imputations and noise than existing models. The method can also be used directly for predicting unseen data, which is a challenge for some state-of-the-art methods.

Place, publisher, year, edition, pages
IEEE COMPUTER SOC , 2022. p. 709-714
Keywords [en]
variational autoencoder; censored covariates; zero inflated truncated normal; deep learning; dynamic range
National Category
Bioinformatics (Computational Biology)
Identifiers
URN: urn:nbn:se:liu:diva-194510DOI: 10.1109/ICMLA55696.2022.00118ISI: 000980994900107ISBN: 9781665462839 (electronic)ISBN: 9781665462846 (print)OAI: oai:DiVA.org:liu-194510DiVA, id: diva2:1766789
Conference
21st IEEE International Conference on Machine Learning and Applications (IEEE ICMLA), Nassau, BAHAMAS, dec 12-14, 2022
Note

Funding Agencies|Wallenberg AI, Autonomous Systems and Software Program (WASP) - Knut and Alice Wallenberg Foundation

Available from: 2023-06-13 Created: 2023-06-13 Last updated: 2023-06-13

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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