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<scp>G</scp>‐Estimation

2017· other· en· W4255302121 on OpenAlexaff
Erica E. M. Moodie, David A. Stephens, Michael P. Wallace

Bibliographic record

VenueWiley StatsRef: Statistics Reference Online · 2017
Typeother
Languageen
FieldMathematics
TopicAdvanced Causal Inference Techniques
Canadian institutionsUniversity of WaterlooMcGill University
Fundersnot available
KeywordsMarginal structural modelEstimationContext (archaeology)EconometricsComputer scienceEvent (particle physics)Nested set modelRegressionStatisticsConfoundingMathematicsData miningEconomicsGeography

Abstract

fetched live from OpenAlex

Abstract G‐estimation is a tool for estimating structural nested models, which offer causal parameters for the effect of time‐dependent exposures under the assumption of no unmeasured confounding. Similar to traditional regression models, structural nested models are typically conditional rather than marginal. G‐estimation has seen relatively little uptake in the statistical and applied literature, perhaps because it was originally presented for time‐to‐event outcomes with estimates traditionally found using grid search methods. However, G‐estimation gained some popularity in the context of dynamic treatment regimes and is, in fact, straightforward to understand and implement. It can also be shown to be equivalent to the familiar approach of propensity score regression under linear structural nested models.

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 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)0.007
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.250
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.007
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.000
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0010.000

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 head0.166
GPT teacher head0.439
Teacher spread0.274 · 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 teacher head, not a consensus.

Study designNot applicable
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
Published2017
Admission routes1
Has abstractyes

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