Category: Illustrated

Critical Minerals Data Explorer

In a recent publication in Energy Economics, we found that geopolitical risk will drive up the price of several critical minerals, especially during episodes of heightened geopolitical tensions.…

Explaining the Infrastructure Vulnerability Score for the Russia Federation

After a first blog on how to visualize the ND-GAIN vulnerability scores, I was keen to explore the sub-categories of the vulnerability scores. Among them, I was particularly…

Illustrating the sample variance bias with R and Mathematica

In my previous blog, I recall that we can demonstrate in a few steps that the sample variance is an unbiased estimator of the population variance when we…