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Record W1575446489

Quantitative Phylogenetic Analysis in the 21st Century

2007· article· en· W1575446489 on OpenAlexaff
Daniel R. Brooks, Jaret Bilewitch, Charmaine Condy, David C. Evans, Kaila E. Folinsbee, Jörg Fröbisch, Dominik Halas, Stéphanie Hill, Deborah A. McLennan, Michelle Mattern, Linda A. Tsuji, Jessica Ward, Niklas Wahlberg, David Zamparo, David T. Zanatta

Bibliographic record

VenueBiodiversity Heritage Library (Smithsonian Institution) · 2007
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicEvolution and Paleontology Studies
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsMaximum likelihoodGeographyMaximum a posteriori estimationHumanitiesPhilosophyMathematicsStatistics
DOInot available

Abstract

fetched live from OpenAlex

Se revisa la sistematica fi logenetica Hennigiana y se compara con las aproximaciones de Maxima Parsimonia, Maxima Verosimilitud y verosimilitud Bayesiana. Todos los metodos utilizan el principio de la parsimonia en alguna forma. Las aproximaciones con bases Hennigianas se justifi can ontologicamente con los conceptos Darwinianos de conservacionismo fi logenetico y cohesion de las homologias, representados en el Principio Auxiliar de Hennig, y aplicado en la comparacion con el grupo externo. La Parsimonia se utiliza como una herramienta epistemologica, aplicada a posteriori en la eleccion de la hipotesis mas robusta cuando hay datos en confl icto. Los metodos cuantitativos utilizan la parsimonia como un criterio ontologico: los analisis de Maxima Parismonia utilizan la parsimonia sin pesaje, la Maxima Verosimilitud les asigna un peso igual a todos los caracteres que explican los datos, mientras que la verosimilitud Bayesiana depende del pesaje de cada una de las particiones de caracteres que explican los datos. Las diferencias en los resultados derivan de un muestreo insufi ciente de datos, en cuyo caso cada metodo trata las ambiguedades de manera diferente. Todos los metodos cuantitativos producen redes. Las redes pueden convertirse en arboles al ser enraizadas. Si el enraizamiento se efectua de acuerdo con el Principio Auxiliar de Hennig, utilizando la comparacion con un grupo externo, el arbol resultante puede considerarse como una hipotesis fi logenetica. Al incrementarse el numero de datos, los metodos de verosimilitud selccionan modelos que permiten un numero cada vez mayor de posibilidades a priori, convergiendo en la perspectiva Hennigiana de que nada esta prohibido a priori. Por lo tanto, todos los metodos producen resultados similares independientemente del tipo de datos, especialmente cuando las redes se enraizan utilizando grupos externos

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)0.007
metaresearch head score (Gemma)0.015
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: Theoretical or conceptual
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.007
Threshold uncertainty score0.036

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0070.015
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0040.004
Science and technology studies0.0010.007
Scholarly communication0.0040.004
Open science0.0010.002
Research integrity0.0010.002
Insufficient payload (model declined to judge)0.0050.000

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 head0.021
GPT teacher head0.216
Teacher spread0.196 · 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

Citations29
Published2007
Admission routes1
Has abstractyes

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