Prior knowledge elicitation: The past, present, and future

Petrus Mikkola, Osvaldo Martin, Suyog Halasinamara Chandramouli, Marcelo Hartmann, Oriol Abril Pla, Owen Thomas, Henri Pesonen, Jukka Corander, Aki Vehtari, Samuel Kaski, Paul-Christian Burkner, Arto Klami*

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

10 Sitaatiot (Scopus)
17 Lataukset (Pure)

Abstrakti

Specification of the prior distribution for a Bayesian model is a central part of the Bayesian workflow for data analysis, but it is often difficult even for statistical experts. In principle, prior elicitation transforms domain knowledge of various kinds into well-defined prior distributions, and offers a solution to the prior specification problem. In practice, however, we are still fairly far from having usable prior elicitation tools that could significantly influence the way we build probabilistic models in academia and industry. We lack elicitation methods that integrate well into the Bayesian workflow and perform elicitation efficiently in terms of costs of time and effort. We even lack a comprehensive theoretical framework for understanding different facets of the prior elicitation problem. Why are we not widely using prior elicitation? We analyse the state of the art by identifying a range of key aspects of prior knowledge elicitation, from properties of the modelling task and the nature of the priors to the form of interaction with the expert. The existing prior elicitation literature is reviewed and categorized in these terms. This allows recognizing under-studied directions in prior elicitation research, finally leading to a proposal of several new avenues to improve prior elicitation methodology.

AlkuperäiskieliEnglanti
Sivut1129–1161
Sivumäärä33
JulkaisuBayesian Analysis
Vuosikerta19
Numero4
Varhainen verkossa julkaisun päivämäärä4 toukok. 2023
DOI - pysyväislinkit
TilaJulkaistu - jouluk. 2024
OKM-julkaisutyyppiA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

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  • FCAI: Suomen tekoälykeskus

    Kaski, S. (Vastuullinen tutkija), Abdulsamad, H. (Projektin jäsen), Azam, S. (Projektin jäsen), Kaushik, R. (Projektin jäsen), Luck, K. S. (Projektin jäsen) & Babadi, A. (Projektin jäsen)

    01/01/202031/12/2022

    Projekti: Academy of Finland: Other research funding

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