Quantify and analyze the world around you
Data stories, spreadsheet tools and the occasional simulation, written by a working scientist. Plain numbers, no jargon walls.
Latest writing
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Who Measures the Ocean’s Plastic? GDP and the Global Microplastics Data Gap
Wealth predicts which countries get their waters tested for microplastics: GDP vs 29,076 NOAA records, and the map gaps that result.
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The Ocean’s Plastic Is Rising Faster Than Our Knowledge of It
The world’s oceans are accumulating microplastics faster than we are building the knowledge needed to track them. That is the uncomfortable pattern in the NOAA NCEI Global Marine Microplastics Harmonized Database, which…
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Logistic Regression in R for Wafer Defect Prediction
Logistic regression in R on a simulated wafer defect dataset: odds ratios, a fitted probability curve, ROC analysis, and why the 0.5 cutoff misleads.
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Process Capability Analysis (Cpk) in R for Semiconductor Manufacturing
Process capability analysis (Cp and Cpk) using the qcc package in R. Building on SPC control charts to quantify whether your semiconductor process can consistently meet specification limits.
Work with me
I help people and small teams turn messy data into clear answers: analysis, dashboards and spreadsheet automation.