In this post, I will show how to create the specific object classes for the statnet suite of packages with the network package, as well as for igraph and tidygraph, which is based on the igraph implementation. The network analysis packages have all implemented their own object classes. This post begins with a short introduction to the basic vocabulary of network analysis, followed by a discussion of the process for getting data into the proper structure for network analysis. R can also be used to make interactive network graphs with the htmlwidgets framework that translates R code to JavaScript. In addition, Thomas Lin Pedersen has recently released the tidygraph and ggraph packages that leverage the power of igraph in a manner consistent with the tidyverse workflow. Significant network analysis packages for R include the statnet suite of packages and igraph. Finally, there is an ever growing range of packages designed to make R a complete network analysis tool. Secondly, the data analysis power of R provides robust tools for manipulating data to prepare it for network analysis. In the first place, R enables reproducible research that is not possible with GUI applications. The strength of R in comparison to stand-alone network analysis software is three fold. Though not specifically designed for it, R has developed into a powerful tool for network analysis. There are a number of applications designed for network analysis and the creation of network graphs such as gephi and cytoscape. 1 This post will provide an introduction to working with networks in R, using the example of the network of cities in the correspondence of Daniel van der Meulen in 1585. The emphasis on complexity, along with the creation of a variety of algorithms to measure various aspects of networks, makes network analysis a central tool for digital humanities. The promise of network analysis is the placement of significance on the relationships between actors, rather than seeing actors as isolated entities. Over a wide range of fields network analysis has become an increasingly popular tool for scholars to deal with the complexity of the interrelationships between actors of all sorts.
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