Title: | Partitive Techniques in Bayesian Data Analysis Jaottelevat menetelmät bayesilaisessa data-analytiikassa |
Author(s): | Sivula, Tuomas |
Date: | 2021 |
Language: | en |
Pages: | 64 + app. 214 |
Department: | Tietotekniikan laitos Department of Computer Science |
ISBN: | 978-952-64-0269-7 (electronic) 978-952-64-0268-0 (printed) |
Series: | Aalto University publication series DOCTORAL DISSERTATIONS, 18/2021 |
ISSN: | 1799-4942 (electronic) 1799-4934 (printed) 1799-4934 (ISSN-L) |
Supervising professor(s): | Vehtari, Aki, Prof., Aalto University, Department of Computer Science, Finland |
Thesis advisor(s): | Vehtari, Aki, Prof., Aalto University, Department of Computer Science, Finland |
Subject: | Computer science |
Keywords: | Bayesian data analysis, model comparison, approximative distributed inference, Gaussian processes, bayesilainen data-analytiikka, mallinvertailu, hajautettu approksimatiivinen päättely, Gaussiset prosessit |
Archive | yes |
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Abstract:Tämä väitöskirja käsittelee kahta suosittua bayesilaisessa data-analytiikassa käytettyä menetelmää, joissa data jaetaan pistevieraisiin joukkoihin. Analysoitavat menetelmät ovat odotusarvon välittäminen (expectation propagation, EP), jota sovelletaan hajautettuun päättelyyn, ja jätä-yksi-pois ristiinvalidointi (leave-one-out cross-validation, LOO-CV), jota käytetään mallin evaluointiin ja vertailuun. Työn pääkontribuutio on menetelmien sovellettavuuden ja käyttäytymisen analysointi eri tilanteissa. |
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Description:Defense is held on 2.3.2021 12:00 – 16:00
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Parts:[Publication 1]: Aki Vehtari, Tommi Mononen, Ville Tolvanen, Tuomas Sivula, Ole Winther. Bayesian Leave-One-Out Cross-Validation Approximations for Gaussian Latent Variable Models. Journal of Machine Learning Research, 17(103), pp. 1–38, June 2016. Full text in Acris/aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201808014237. [Publication 2]: Aki Vehtari, Andrew Gelman, Tuomas Sivula, Pasi Jylänki, Dustin Tran, Swupnil Sahai, Paul Blomstedt, John P. Cunningham, David Schiminovich, Christian P. Robert. Expectation Propagation as a Way of Life: A Framework for Bayesian Inference on Partitioned Data. Journal of Machine Learning Research, 21(17), pp. 1–53, January 2020. Full text in Acris/aaltodoc: http://urn.fi/URN:NBN:fi:aalto-202008064558. [Publication 3]: Tuomas Sivula, Måns Magnusson, Aki Vehtari. Uncertainty in Bayesian Leave-One-Out Cross-Validation Based Model Comparison. Submitted to a journal, 88 pp., September 2020[Publication 4]: Tuomas Sivula, Måns Magnusson, Aki Vehtari. Unbiased estimator for the variance of the leave-one-out cross-validation estimator for a Bayesian normal model with fixed variance. Submitted to a journal, 22 pp., September 2020 |
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