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May 08

Using Median Polish

Exploratory data analysis often faces challenges due to outliers and skewed distributions, which can distort underlying patterns. Many conventional statistical methods depend on means, making them highly sensitive to extreme...

Mar 30

The History of the Vidames

Among the half-remembered titles of the medieval world, few are more peculiar than the vidame. A word no longer in currency, even among most students of nobility, the vidame occupied...

Mar 08

Vaccines Do Work

Recently, I encountered a comment that was just dead wrong:

If 100% of people got a vaccine, people would still get whatever they were vaccinated for. If they were...

Feb 06

Ridit Analysis for Ordered Data

Statistical methods have continually evolved, often in response to new challenges and advancements in computational power. However, not all valuable techniques remain in the spotlight. Some, despite their potential, fade...

Jan 31

Bradley-Terry Model and Data-Driven Ranking

Imagine you are ranking a set of teams, chess players, or even flavors of ice cream. You do not have an objective rating scale–only a series of head-to-head matchups. If...

Jan 29

Completed the IHGS Heraldry Course

Studying heraldry is both an intellectual and practical pursuit, requiring a strong grasp of history, art, and precise language. Over the past months, I have worked through the Heraldry Course...

Jan 28

The OODA Loop in Machine Learning Model Selection

The OODA Loop—Observe, Orient, Decide, Act—is a decision-making framework originally developed by U.S. Air Force Colonel John Boyd for military strategy. Boyd, a fighter pilot and strategist, introduced the...

Jan 27

Cochran's Q Test: A Simple Tool for Complex Decisions

Let us set the scene: you are running an experiment, testing different approaches to a problem. Maybe you are optimizing fraud detection algorithms, fine-tuning ad targeting strategies, or running an...

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