Andrew Chamberlain, Ph.D. – Medium

Andrew Chamberlain, Ph.D.

Andrew Chamberlain, Ph.D.

How to Estimate Pi at the Bar

Here’s a method for estimating Pi that basically requires a dartboard, faith in the relative frequency interpretation of probability, and…

Nov 1, 2017

How to Estimate Pi at the Bar

Nov 1, 2017

Andrew Chamberlain, Ph.D.

Using Eigenvectors to Find Steady State Population Flows

Each year, some fraction of Seattle’s population moves to Portland. And some fraction of Portland’s population moves back to Seattle. If…

Oct 4, 2017

Oct 4, 2017

Andrew Chamberlain, Ph.D.

Advice for New Economics Teaching Assistants (First Year Ph.D. Students)

One of the scariest moments of grad school for me was getting up in front of a classroom to teach for the first time.

Apr 19, 2017

Apr 19, 2017

Andrew Chamberlain, Ph.D.

Why We’ll Never Run Out of Oil — But Will Stop Using it Anyway

Let’s do a thought experiment. Say the world’s proven oil reserves are 400 million barrels. And say world oil consumption is 20 million…

Mar 22, 2017

Mar 22, 2017

Andrew Chamberlain, Ph.D.

A Sewing-Circle Method for Estimating Pi

With another “Pi Day” behind us, I thought I’d share a fun method for estimating pi that basically requires a hardwood floor, a bag of…

Mar 22, 2017

A Sewing-Circle Method for Estimating Pi

Mar 22, 2017

Andrew Chamberlain, Ph.D.

A More Elegant View of R Squared

One of the first things students learn in statistics is the correlation coefficient “r” , or its data science equivalent “R-squared” …

Mar 21, 2017

A More Elegant View of R Squared

Mar 21, 2017

Andrew Chamberlain, Ph.D.

America’s Job Churning Machine

From the top-line figures from the monthly jobs report, one might get the impression that job growth in the U.S. economy is a steady…

Dec 10, 2016

America’s Job Churning Machine

Dec 10, 2016

Andrew Chamberlain, Ph.D.

How to Derive Trigonometric Functions Without Geometry

Most people first meet sine and cosine in a basic geometry class. The lesson starts with a right triangle, and derives sine and cosine…

Dec 10, 2016

Dec 10, 2016

Andrew Chamberlain, Ph.D.

The Linear Algebra View of the Fibonacci Sequence

The Fibonacci sequence is a beautiful mathematical concept, making surprise appearances in everything from seashell patterns to the…

Dec 10, 2016

Dec 10, 2016

Andrew Chamberlain, Ph.D.

An Easy Derivation of the Volume of Spheres Formula

Working 2,000 years before the development of calculus, the Greek mathematician Archimedes worked out a simple formula for the volume of a…

Dec 10, 2016

An Easy Derivation of the Volume of Spheres Formula

Dec 10, 2016

Andrew Chamberlain, Ph.D.

Andrew Chamberlain, Ph.D.

Head of Product Analytics at Udemy. Economist having fun in the world of data science and tech. www.andrewchamberlain.com

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