June 27, 2018

Please read the full post here.  GitHub repo here

March 21, 2018

Today, most large internet companies run 10,000 or more experiments a year to improve things like user engagement, ad conversions, and the like. 

In comparison, how many experiments are done each year in the US studying the effectiveness of the elementary math curriculu...

August 29, 2016

A 2,000 Year Old Remedy

On Friday, December 13, 1799 George Washington awoke with a severe sore throat. He was visited the next day by three doctors, who quickly prescribed bloodletting: The withdrawal of blood to restore "humoral balance". Within hours they removed hal...

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Beware the Propensity Score: It's a Collider

June 27, 2018

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