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Record W2890289581 · doi:10.1093/biostatistics/kxy041

Pointless spatial modeling

2018· article· en· W2890289581 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

fundA Canadian funder is recorded on the work.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueBiostatistics · 2018
Typearticle
Languageen
FieldEconomics, Econometrics and Finance
TopicSpatial and Panel Data Analysis
Canadian institutionsnot available
FundersNational Cancer InstituteMedical Research CouncilNational Institutes of HealthApplied Molecular Biosciences UnitKurdistan University Of Medical SciencesMekelle UniversityĐại học Quốc gia Hà NộiUniversity of PeradeniyaAddis Ababa UniversityUniversity of GondarUniversity of TabrizUniversidade Federal de SergipeUniversitatea de Medicină şi Farmacie "Carol Davila" BucureştiUniversidade do PortoBahir Dar UniversityAlexandria UniversityBill and Melinda Gates FoundationKarolinska InstitutetTabriz University of Medical SciencesShahroud University of Medical SciencesBabol University of Medical SciencesTehran University of Medical Sciences and Health ServicesMazandaran University of Medical SciencesUniversität BielefeldAksum UniversityPublic Health Foundation of IndiaKaiser PermanenteAustralian Catholic UniversityMansoura UniversityHamadan University of Medical SciencesUniversity of OxfordUniversidad Autónoma de SinaloaMaragheh University of Medical SciencesUniversidad Nacional Autónoma de MéxicoIndian Institute of Technology DelhiIstituto di Ricerche Farmacologiche Mario Negri - IRCCSUniversity of SouthamptonUniversity of WashingtonA.T. Still UniversitySimon Fraser UniversityUniversity of OttawaU.S. Department of Veterans Affairs
KeywordsComputer scienceLaplace's methodBayesian inferenceSmoothingRandom fieldMarkov random fieldBayesian probabilityVariable-order Bayesian networkAlgorithmTheoretical computer scienceApplied mathematicsMathematicsArtificial intelligenceStatistics

Abstract

fetched live from OpenAlex

The analysis of area-level aggregated summary data is common in many disciplines including epidemiology and the social sciences. Typically, Markov random field spatial models have been employed to acknowledge spatial dependence and allow data-driven smoothing. In the context of an irregular set of areas, these models always have an ad hoc element with respect to the definition of a neighborhood scheme. In this article, we exploit recent theoretical and computational advances to carry out modeling at the continuous spatial level, which induces a spatial model for the discrete areas. This approach also allows reconstruction of the continuous underlying surface, but the interpretation of such surfaces is delicate since it depends on the quality, extent and configuration of the observed data. We focus on models based on stochastic partial differential equations. We also consider the interesting case in which the aggregate data are supplemented with point data. We carry out Bayesian inference and, in the language of generalized linear mixed models, if the link is linear, an efficient implementation of the model is available via integrated nested Laplace approximations. For nonlinear links, we present two approaches: a fully Bayesian implementation using a Hamiltonian Monte Carlo algorithm and an empirical Bayes implementation, that is much faster and is based on Laplace approximations. We examine the properties of the approach using simulation, and then apply the model to the classic Scottish lip cancer data.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesInsufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.967
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.003

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.060
GPT teacher head0.238
Teacher spread0.178 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it