Building R’s RGL library for OSX Snow Leopard

RGL is needed for nice interactive 3d plots in R, but a pain to find out how to build on a modern OSX machine. “The rgl package is a visualization device system for¬†R, using OpenGL as the rendering backend. An rgl device at its core is a real-time 3D engine written in C++. It provides […]

Querying Linked GeoData with R SPARQL client

Assuming you already have the R statistics toolkit installed, this should be easy. Install Willem van Hage‘s R SPARQL client. I followed the instructions and it worked, although I had to also install the XML library, which was compiled and installed when I typed¬†install.packages(“XML“, repos = “http://www.omegahat.org/R“) ‘ within the R interpreter. Yesterday I set […]