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ggplot2: Elegant graphics for data analysis

2010 Case study competition Winners announced (see below)! Special thanks to all participants and our judges: David Smith of Revolution Analytics, Heike Hofmann of Iowa State University, and Hadley Wickham of Rice University

Welcome to the ggplot2 wiki.

• Why use ggplot2?
• Ways to support ggplot2
• How to use this wiki
• Publications with ggplot2
• Around the web

ggplot2 case studies

2010

• Interrogation of underage victims with audio-visual aids: time evolution between examination by the police and actual interrogation, Ann Frederix, Federal Police Belgium
• Mapping electrical activity in the human neocortex, Michael Lavine, UMass Amherst – FINALIST
• Strainmeter offsets: real or spurious?, Andrew Barbour, Scripps Institution of Oceanography
• Bach 2 Part Invention in F Major BWV779, Casimir Saternos, http://www.r-chart.com
• Plotting Mitochondrial Genetic Association Results, Ben Grady, Vanderbilt University
• Seperating exogenous and endogenous mechanisms of temporal attention, Mike Lawrence, Dalhousie University
• Leave-Cluster-Out Crossvalidation is necessary for Scoring Functions derived on Diverse Protein Datasets, Christian Kramer, NIBR Basel
• Raman Spectroscopic Grading of Gliomas, Claudia Beleites, TU Dresden & Uni. Trieste – FINALIST
• Time Dependency of Immunohistochemical Staining, Friederike Schlemmer, Leipzig University (Germany), IRCCS Burlo Garofolo Trieste, and University of Trieste (Italy)
• Crime in Downtown Houston, Texas : Combining ggplot2 and Google Maps, David Kahle, Rice University – GRAND PRIZE
• Using ggplot2 Animations to Demonstrate Several Parallel Numerical Experiments in A Single Layout, Yihui Xie, Iowa State University

2009

• Mapping orientation of coral reef fish, Jean-Olivier Irisson (JiHO)
• Transmission through arrays of gold particles, Baptiste Auguié
• Reliability of and correlations between attention networks, Mike Lawrence
• Climate and Mortality in Vienna (Austria), Stefan Muthers
• Flying over the USA, Heike Hofmann, Iowa State University

Related sites:

• Web based ggplot2 gui, by Jeroen Ooms
• Learnr blog

Tips and tricks

• Align two plots on a page
• Mathematical annotations
• Share a legend between two ggplot2 graphs
• alternative notation for multiple additions to a plot
• plotting polygon shapefiles
• List of Options for Fine Tuning Graphs

Enhancing ggplot2

• Creating a new geom
• Editing raw Grid objects from a ggplot
• ggExtra
• latticedl
• GGally

Getting help

• Frequently asked questions
• Creating a reproducible example