John Snow’s Ghost Map

The John Snow data of the Soho (a central district of London) cholera outbreak of 1854 is a classic study for those learning data visualisation. Snow is recognized as one of the founders of modern epidemiology (I learn that some also consider him

Crunching a dataset

So with my new Jupyter Notebook setup and taking some data prepared by a political scientist called Prof. Chris Hanretty of Royal Holloway (linked to here on Harvard academic Pippa Norris‘s website) I set about doing quite a bit of crunching on