Shiny modules to reduce duplication in apps
Shiny apps are awesome, with a bit of training you can build fairly impressive interactive web apps. But at some point, the subject of “shiny modules” will rear its head. When I started learning …
One weird regex matches 97% of DOI...
This one weird regex matches 97% of DOI…
Where is the centre of University of Oxford?
University of Oxford has over 800 years of history to it, but if you want to organise a meeting at the centre of campus… where do you meet?
Using ggmap after July 2018
ggmap is an awesome package for creating maps with ggplot2. If you’ve seen a nice looking map built with ggplot2 I can almost guarantee you that it uses ggmap to look that good. The ggmap package is …
Crawling DOI from a SAGE
Academic literature reviews are more than often tedious tasks, manually clicking through a journal’s history of volumes and journals. But, not it you programmatically crawl the website with {rvest} and friends.
Great circles with sf and leaflet
Great circles are the shortest journeys between two points on a map, which can be easily computed and manipulated through the use of the excellent sf library, and visualised interactively with leaflet.