Lab

Population density in Europe

June 29, 2025

A choropleth map visualizing population density in Europe for a selected year using Eurostat data.

Eurostat data loaders

June 22, 2025

Eurostat data loaders for easy access to European statistics datasets

Country Risk Statistics

April 18, 2025

Country risk statistics visualization using Observable plot - data from financial modelling prep.

Mandelbrot set

January 08, 2023

A raster plot of the Mandelbrot set using Observable Plot.

TradingView Charts

January 08, 2023

Adding TradingView charts to a web application is easy with observable framework

Largest Area in Histogram

August 05, 2020

On the back of a job interview question, I created a visualization of the largest area in a histogram using a stack data structure

Planarity

May 01, 2014

Can you untangle the planar graphs? See if you can position the vertices so that no two lines cross.