Conducting and Visualizing Specification Curve Analyses
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Updated
Oct 16, 2026 - R
Conducting and Visualizing Specification Curve Analyses
Stata command to perform specification curve analysis and generate output plots.
R package with functions to improve research workflow https://hauselin.github.io/hausekeep/
How fast can a coding agent p-hack? Measured: on known-zero data, realistic searches manufacture p<.05 on 33-97% of null draws, in ~1 second each. Instrumented specification-search engine + 11 Claude Code skills for econometric designs; every search leaves a verifiable ledger and an honest p-value. Research and teaching use only.
Circuit-level interpretability evidence does not survive defensible analytic variation. Pre-registered multiverse over 15,840 specifications; the derived EU AI Act Annex IV claim flips across 73.2% of specification pairs. arXiv:2608.13754
An adversarial AI referee for empirical economics: finds p-hacking, cherry-picking and specification search, then re-runs the result.
Reproducible, leakage-aware Python prototype for event-study simulation and specification robustness analysis.
A reproducible, weight-tunable Messi vs Ronaldo GOAT index with a specification-curve view over the entire space of weightings.
How far does a conclusion about educational attainment move across modelling choices that are all individually defensible? A 48-specification sensitivity study of PISA 2022 UK mathematics outcomes.
221 dengue outbreaks × 144 analysis choices = 33,152 model fits. Three-quarters of the variation in whether climate forcing is endorsed is analytical, not geographic — and most of that is an outbreak × analysis interaction no convention can remove.
Should they have passed? Evaluating shooting decisions from StatsBomb 360 freeze frames, and testing which analytical choices actually change the answer.
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