Graphics and Data Visualization in R

Thomas Girke (thomas.girke@ucr.edu)

Last update: 27 May, 2016

Alternative formats of this tutorial: Single-page .Rmd HTML, .Rmd, .R, Old Slide Show

Overview

Graphics in R

• Powerful environment for visualizing scientific data
• Integrated graphics and statistics infrastructure
• Publication quality graphics
• Fully programmable
• Highly reproducible
• Full LaTeX, Sweave, knitr and R Markdown support. support
• Vast number of R packages with graphics utilities

Documentation on Graphics in R

• General
  • Graphics Task Page
  • R Graph Gallery
  • R Graphical Manual
  • Paul Murrell’s book R (Grid) Graphics
• Interactive graphics
  • rggobi (GGobi)
  • iplots
  • Open GL (rgl)

Graphics Environments

• Viewing and savings graphics in R
  • On-screen graphics
  • postscript, pdf, svg
  • jpeg/png/wmf/tiff/…
• Four major graphics environments
  • Low-level infrastructure
    • R Base Graphics (low- and high-level)
    • grid: Manual, Book
  • High-level infrastructure
    • lattice: Manual, Intro, Book
    • ggplot2: Manual, Intro, Book