Pixel maps are awesome. Short post on how to add symbols and create a production ready pixel/symbol map design with the ggplot, extrafont and emojifont packages. Read more..
dplyr 0.8 has been released and comes with a surprise: group_walk(). This post demonstrates how to parse grouped data into several CSV and/or JSON files with only a few lines of tidy code and purrr(e) logic. Read more..
GIS with R is far beyond powerful. This is part 1 of a collection of up-to-date workflows for processing spatial data of all kinds with R. The collection involves sf, mapview, mapedit, osmdata, raster, stars, rnaturalearth and other packages combined with straight-forward recipes. Read more..
Demo Site. Just testing the embedding of HTML widgets (Leaflet, Xarigan Slides, DT::datatable(), Shiny App) in R Blogdown posts. Read more..
This is the sceond part of my "Internet Research Agency" series. We'll encounter in-memory computing problems, address them with tweaks on Windows and Linux, and finally succeed at building a 5.7M x 1.5M big sparse Document-Feature Matrix. Read more..