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Record W7064062950

Aplicaciones de la transformación Sinh-arcsinh y problemas relacionados

2013· dissertation· es· W7064062950 on OpenAlexfundno aff

Bibliographic record

VenueInstitutional Repository University of Extremadura (University of Extremadura) · 2013
Typedissertation
Languagees
FieldEngineering
TopicSuperconducting Materials and Applications
Canadian institutionsnot available
FundersNatural Sciences and Engineering Research Council of CanadaJunta de Extremadura
KeywordsBivariate analysisStatistical analysisLimitingPersistence (discontinuity)
DOInot available

Abstract

fetched live from OpenAlex

La tesis está basada en cuatro artículos que sintetizan el trabajo de investigación llevado a cabo entre los años 2008 y 2012 bajo la tutela del profesor Arthur Pewsey. De los cuatro artículos, los dos primeros han sido publicados en las revistas estadísticas Test y The American Statistician, respectivamente. El tercero se encuentra actualmente bajo revisión y una versión digital del cuarto artículo ha sido publicada en la página web de la revista estadística Statistical Papers. El primero de los cuatro artículos anexados, titulado ‘Skew-t distributions via the sinh-arcsinh transformation’, presenta resultados para una nueva familia de distribuciones con miembros tanto simétricos como asimétricos y cuya subclase simétrica está formada por las distribuciones t de Student. En el segundo artículo, de titulo ‘Skewness-invariant measures of kurtosis’, se desarrolla el tema de las medidas de curtosis invariantes a la asimetría. Se identifican dos clases de medidas de curtosis que son invariantes a la asimetría para ciertas familias skew-symmetric obtenidas mediante la transformación de una variable aleatoria simétrica. El tercer artículo tiene por titulo ‘On Blest’s measure of kurtosis adjusted for skewness’. En él, el tema de medidas de curtosis que son invariantes a la asimetría se estudia para medidas basadas en momentos. En el cuarto artículo, titulado ‘Measures of tail asymmetry for bivariate copulas’, proponemos tres familias de medidas de asimetría para copulas bivariantes.

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)0.018
metaresearch head score (Gemma)0.131
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 score0.025
Threshold uncertainty score0.096

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0180.131
Meta-epidemiology (narrow)0.0020.001
Meta-epidemiology (broad)0.0020.002
Bibliometrics0.0050.011
Science and technology studies0.0020.003
Scholarly communication0.0070.008
Open science0.0040.004
Research integrity0.0030.007
Insufficient payload (model declined to judge)0.0250.006

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 head0.009
GPT teacher head0.195
Teacher spread0.186 · 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".

Quick stats

Citations0
Published2013
Admission routes1
Has abstractyes

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