Research
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Classification of Multivariate Functional Data with an Application to ADHD fMRI Data
Seong, Y., Gauran, I. I., Kim, H., Ombao, H., & Park, J. Journal of Applied Statistics, 53(8), 1515–1537 (2026).
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Analysis of Experiments with High Frequency Time Series Responses and the Implications for Power and Sample Size
Rafor, B., Gauran, I., Ombao, H., Lansangan, J. R., & Barrios, E. Scientific Reports, 15(1), 1–25 (2025).
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Causal Relationships Between Diseases Mined from the Literature Improve the Use of Polygenic Risk Scores
Toonsi, S., Gauran, I., Ombao, H., Schofield, P. N., & Hoehndorf, R. Bioinformatics, 40(11), btae639 (2024).
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Bayesian Local False Discovery Rate for Sparse Count Data with Application to the Discovery of Hotspots in Protein Domains
Gauran, I., Park, J., Rattsev, I., Peterson, T., Kann, M., & Park, D. The Annals of Applied Statistics, 16(3), 1459–1475 (2022).
Projects
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GapYears: Replicating the Healthspan-Lifespan Gap
A published finding, rebuilt from public WHO data instead of trusted on the page, with the parts that would not reproduce cleanly left visible rather than smoothed over.
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BloodVsMethylation: Two PhenoAges, Two Answers
Two measures of biological age, trained toward the same target, disagree about race in the same people. A replication in public data, and an attempt to take the disagreement apart.
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NeighborsMailer: The Postcard, Matched to the Digit
A famous field experiment rebuilt in Python from the authors' raw data, checked against their own Stata log to the last printed digit, then turned into the yes-or-no a campaign actually needs.
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AncovaThreeWays: One FDA Table, Proved
The primary result of a public Alzheimer's trial submission, rebuilt from raw data in Python and in R, proved value by value in Lean, then refitted the way a trial would handle dropouts today.
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PlaceboVsObserved: Two Designs, One Vaccine
The 1954 Salk polio trial ran a randomized design and a cheaper observed one side by side. A rebuild of the 1955 report's arithmetic in Python and R, and the 9-point gap between the designs taken apart.
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ColonAdjuvant: The Approval, Rechecked
The trial behind the 1990 approval of levamisole plus 5-FU for colon cancer, rebuilt from raw data in Python and in R, the verdict proved in exact arithmetic, and the mismatches with the paper left in view.
Essays
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The Dash Between the Dates
I reran the WHO's numbers for 185 countries: the gap between living long and living well grew for two decades, then closed from the wrong end. Why both ends of a gap get written down first.
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Same Questions, Every Body
Five body checks, from the stroke card to the Apgar score to the clock test, and why questions asked the same way of everyone are what let a card's misses be counted. Frameworks, measured.
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Put a Pin on It
The setup behind this site: one file says what is live, so the pages cannot quietly drift from it.
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Nothing Grows Alone
The Human Microbiome Project's 2009 chart of bacteria by body part, recounted to show what it actually measured. A field that is not mine yet.
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What It Would Take, In Cups
The lady tasting tea, checked against every surviving source: what Fisher's eight cups could rule out, and the woman most retellings never name. My own field, hypothesis testing.
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The House in Your Head
A thermostat, a dishwasher and a detergent cup, and the guess written down first that shows whose model of the house is wrong. Mental models, measured.