The Analytical Ledger
Fresh perspectives on AI, data ethics, and the new business logic.
2026

Twin2K: What the Data Shows

An interactive dashboard exploring personality, cognition, wellbeing, and behavioral economics across 2,058 U.S. adults — built from the flattened Twin2K parquet dataset.

We Built the Most Sophisticated Personality Model We Could. A 3-Variable Linear Model Still Won.

Six models, eighteen predictors, and three independent analytical methods — all converging on the same parsimonious answer about what actually predicts financial risk tolerance. A CRISP-DM deep-dive into the Twin-2K-500 behavioral dataset and what it reveals about the limits of psychometric digital twins.

China's Precision Marketing Revolution: How AI Turned a Billion Users Into a Living Laboratory

Mainland China has bypassed traditional retail entirely — building the world's most advanced testing ground for AI-driven consumer behavior. A literature review of three 2024–2025 studies examines how social commerce, precision targeting, and cultural AI are reshaping what marketing can mean.

From Invisible to Essential: The Rise of Lunar New Year in America

A tea shop owner in Kent told me nobody would buy traditional teaware. Two weeks later, I found gaiwans at Target. Using Census data and Google Trends, I built a dashboard to understand why — and discovered a demographic story major retailers read more carefully than small shops. Asian Americans grew 13% from 2020–2024, and Washington state ranks third nationally for Lunar New Year search interest.

Research Organization Templates for Students and Analysts

Remember high school note cards? They weren't busy work — they were teaching us a system. Here's the digital equivalent: two free templates for organizing academic articles and data sets. Whether you're a student writing a literature review or a professional preparing evidence-based presentations, these templates help you stop re-reading papers at midnight.