Choropleth mapping house sale prices - Part 1. Data Prep
Part 1 of 2 posts on making a choropleth map of house sale data using d3.js and mapshaper.…
Using a text input to filter map data with Leaflet JS
In this follow-up video, we add another method of filtering data on our doctors' practices map visualisation. If you're not too familiar with Leaflet or JavaScript in general, I recommend watching the first Leaflet.js video where we create our visualisation from scratch. You can find the complete map visualisation…
Dataviz: Connecting the Atlantic
“A treaty of peace has been signed between Austria and Prussia” – the first message that was transmitted across the Atlantic via telegraph. That's the first connection that appears in this animated globe visualisation. It shows a timeline of various trans-Atlantic subsea telegraph connections starting with the first successfully laid cable…
Mapping and filtering prescriptions data with LeafletJS (in-depth)
In this video, we visualise data from a spreadsheet of doctors' practices and prescriptions adding two methods for filtering. We deal with the issue of combining the two separate filters as one has a knock-on effect on the other. NB- the data is synthetic, it's just modelled on the real…