Looking for something original to decorate your wall? Art With Code, created by Harvard University bioinformatician Jean Fan, provides a collection of R scripts to generate artistic images in the style of famous artworks, for example this randomly-generated piece in the style of Mondrian:
Other art generators include "Tunnel" (rotated and scaled designs in the style of Päivi Julin), Pointillism (sylizes photographs as a dots), and Pixel (an interesting multi-scale filter for photos). The transformations using only the built-in R grid and lattice packages, which made it easy for me to try Pixel on a photo of my own dog, Max:
You can find examples of all of these styles and the R scripts used to generate them at the link below.