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Bivariate Beta Regression Model and Its Medical Applications

2020· article· en· W3117877229 on OpenAlexaff
Pantea Koochemeshkian, Narges Manouchehri, Nizar Bouguila

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldMathematics
TopicAdvanced Statistical Methods and Models
Canadian institutionsConcordia University
Fundersnot available
KeywordsBivariate analysisComputer scienceData miningRegression analysisMachine learningRegressionData modelingBivariate dataArtificial intelligencePredictive modellingStatistical modelStatisticsMathematics

Abstract

fetched live from OpenAlex

Data mining techniques have been successfully utilized in different applications of significant fields, including medical research. With the wealth of data available within health-care systems, there is a lack of practical analysis tools to discover hidden relationships and trends in data. Among all statistical frameworks, regression has been proven to be one of the most potent tools in prediction. The complexity of medical data that is unfavorable for most models is a considerable challenge in prediction. The ability of a model to perform accurately and efficiently in disease diagnosis is essential. Thus, a model must be selected to fit the data well, such that the learning from previous data is most efficient, and the diagnosis of the disease is highly accurate. In this work, a bivariate Beta regression model has been proposed, which is based on a flexible bivariate Beta distribution with three shape parameters. Then, the performance of this algorithm is evaluated in terms of the accuracy of the prediction and compared to a similar regression model. The accuracy of model performance depends on the nature and complexity of the dataset. The results in this paper show the merits of our work.

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.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.003
metaresearch head score (Gemma)0.009
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.006
Threshold uncertainty score0.018

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0030.009
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.002
Science and technology studies0.0000.001
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0010.002
Insufficient payload (model declined to judge)0.0040.001

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 head0.228
GPT teacher head0.469
Teacher spread0.241 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designTheoretical or conceptual
Domainnot available
GenreMethods

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

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Citations1
Published2020
Admission routes1
Has abstractyes

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