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Scott Lyden
Scott Lyden

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Oct 25, 2022

Putin’s Dirty Bomb Canard

As has been widely reported, Russia’s Defense Minister, Sergei Shoigu, initiated calls with European and American counterparts during which he suggested that Ukraine was likely to detonate a dirty bomb. A dirty bomb is a conventional explosive lashed to radioactive material. There’s no nuclear reaction involved; the effect of such…

Ukraine War

2 min read

Ukraine War

2 min read


Sep 1, 2022

Collider Bias in Statistics

In bio-statistics there is a consistent pattern in perinatal data: Among babies born with low birth-weight, infants born to smokers have lower first-year mortality than those born to non-smokers. At first (or even second) blush, it might appear that smoking is beneficial to underweight infants. …

Statistical Analysis

6 min read

Collider Bias in Statistics
Collider Bias in Statistics
Statistical Analysis

6 min read


Published in

Analytics Vidhya

·Aug 26, 2021

R data.table Joins

Introduction Data.tableis a powerful modern update of the venerable old data.frame. Under the hood, the package has been tuned for blazing speed and minimal memory usage with a syntax that is sleek and spare. …

Data Science

16 min read

R data.table Joins
R data.table Joins
Data Science

16 min read

Scott Lyden

Scott Lyden

183 Followers

Just a guy

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