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Record W4390519133 · doi:10.21203/rs.3.rs-3800842/v1

Synthetic data reliably reproduces brain tumor primary research data

2024· preprint· en· W4390519133 on OpenAlexafffund
Roy Khalaf, William Davalan, Amro H. Mohammad, Roberto J. Diaz

Bibliographic record

VenueResearch Square · 2024
Typepreprint
Languageen
FieldMedicine
TopicGlioma Diagnosis and Treatment
Canadian institutionsMcGill University
FundersMcGill University Health CentreMcGill University
KeywordsContext (archaeology)Synthetic dataComputer scienceReliability (semiconductor)ConfidentialitySimilarity (geometry)Data miningMedicineData scienceArtificial intelligenceMachine learningBiology

Abstract

fetched live from OpenAlex

Abstract Purpose Synthetic data has garnered heightened attention in contemporary research due to confidentiality barriers and its capacity to simulate variables challenging to obtain, notably in cases where premature death prevents adequate follow-up. Indeed, a significant challenge in clinical neuro-oncology research is the limited availability of data pertinent to rapid-onset conditions with relatively poor prognoses. This study aimed to evaluate the reliability and validity of synthetic data in the context of neuro-oncology research, comparing findings from two published studies with results from synthetic datasets. Materials and Methods Two published neuro-oncology studies focusing on prognostic factors were selected, and their methodologies were replicated using MDClone Platform to generate five synthetic datasets for each. These datasets were assessed for inter-variability and compared against the original study results. Results Findings from synthetic data consistently matched outcomes from both original articles. Reported findings, demographic trends and survival outcomes showed significant similarity (P < 0.05) with synthetic datasets. Moreover, synthetic data produced consistent results across multiple datasets. Conclusion Integrating synthetic data into clinical research offers excellent potential for providing accurate predictive insights without compromising patient privacy. In neuro-oncology, where data fragmentation and patient follow-up pose significant challenges, the adoption of synthetic datasets can be transformative.

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)0.080
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesMetaresearch
Consensus categoriesnone
DomainCandidate signal: Reproducibility · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.982
Threshold uncertainty score0.096

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0180.080
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0020.003
Science and technology studies0.0000.001
Scholarly communication0.0020.001
Open science0.0010.002
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0020.001

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 head0.307
GPT teacher head0.506
Teacher spread0.199 · 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.

Study designSimulation or modeling
DomainReproducibility
GenreEmpirical

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

Citations1
Published2024
Admission routes2
Has abstractyes

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