November 2017
Beginner to intermediate
366 pages
7h 59m
English
Content preview from R Data Analysis Projects
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More networks in R
In this section, let us see some more structural properties of a graph. Till now we created some simple graphs. It will be better to have some larger graphs to study the structural properties.
The R code for a lot of different networks built from a diverse source of input is available at https://github.com/igraph/igraph/tree/master/nexus/download.
Let's use the US airport network from the repository to show some structural properties of a graph:
url <- "http://sites.google.com/site/cxnets/US_largest500_airportnetwork.txt"tmp <- tempdir()dest <- paste(sep="", tmp, "/", "usairport.txt")download.file(url, dest)usairport <- read_graph(dest, format="ncol")
We first download the file from an internet URL and use read_graph function ...
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