Multiplying using halving, doubling and summing

July 23, 2022July 25, 2022 ~ Bob ~ Leave a comment

I was introduced to an interesting way of multiplying two numbers (integers greater than 0) recently, at a Tudor re-enactment at Kentwell Hall. It took me a while to realise what was going on behind the scenes, at least in terms of things I already understood. As it also made me think in a new … Continue reading Multiplying using halving, doubling and summing

The seven (or four) ages of man

April 4, 2022July 2, 2022 ~ Bob ~ Leave a comment

This article is mostly about visualising some data from the 15th and 16th centuries, about how someone's lifespan can be divided up into stages. It happened because my friend Tamsin Lewis (a historical music expert) pointed me at a tweet by Dr Alun Withey (a history lecturer). The tweet had a photo of some lovely … Continue reading The seven (or four) ages of man

Visualising wealth inequality using Lorenz curves

March 25, 2021July 2, 2022 ~ Bob ~ 2 Comments

In this article I will do some analysis and visualisation of data on wealth inequality. The data is, slightly randomly, a combination of historical data from three towns in Suffolk from 1522, and the most recent data about Great Britain. I’ll go through the data a little, the analysis, the visualisations, and why I think … Continue reading Visualising wealth inequality using Lorenz curves