Network visualization with R
Katherine Ognyanova, Rutgers University Web: http://www.kateto.net
E-mail: katya@ognyanova.net
Twitter: @ognyanova
Network science is a rapidly growing multidisciplinary area that allows us to understand the dynamics of interconnected systems: social, digital, physical, biological, economic, and others. Visualizing network structure provides a key avenue for data exploration and presentation.
This workshop will cover network visualization using the R language for statistical computing (cran.r- project.org) and RStudio (rstudio.com). Participants should have some prior knowledge of R and network concepts. The session will provide a brief overview of network formats, focusing on their structure and representation in key R packages. Attendees will also receive an introduction to major principles of graphics used in the R environment.
The workshop will provide a step-by-step guide describing (through series of examples) the path from raw data to graph visualization in the igraph and Statnet frameworks. The advanced portion of the workshop will touch on dynamic visualization for longitudinal networks and combining networks with geographic maps. We will also discuss ways of converting graphs in R to interactive JavaScript/3D-based visualizations for the Web.
Instructions for participants:
The following steps will help you prepare for the workshop (though you can also complete them when we meet if you have not had the chance to do so in advance).
Please download and install the latest version of R (cran.r-project.org) and RStudio (rstudio.com).
We will use several key R packages that you can install by typing: install.packages(“igraph”)
install.packages(“network”)
install.packages(“sna”)
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