====== Networks in R ======

[[ru:hse|HSE]]; [[ru:hse:rnet|Networks in R]]


  * Katherine Ognyanova: [[http://kateto.net/networks-r-igraph|Network Analysis and Visualization with R and igraph]], [[http://www.kateto.net|Kateto]]; [[https://github.com/kateto/R-igraph-Network-Workshop-NetSciX|Git]]


<code R>
> library(igraph)

Attaching package: ‘igraph’

The following objects are masked from ‘package:stats’:

    decompose, spectrum

The following object is masked from ‘package:base’:

    union

> g1 <- graph( edges=c(1,2, 2,3, 3, 1), n=3, directed=F )
> plot(g1)
> g2 <- graph( edges=c(1,2, 2,3, 3, 1), n=3, directed=TRUE )
> plot(g2)
> plot(graph_from_literal(a--+b, b+--c))
> plot(graph_from_literal(a--+b, b+--c, a--c))
> plot(graph_from_literal(a--+b, b+--c, a-c))
> plot(graph_from_literal(a--+b, b+--c, a++c))
> V(g2)$name
NULL
> V(g2)$name <- c("Ana","Bob","Cak")
> plot(g2)
> edge_attr(g2)
list()
> vertex_attr(g2)
$name
[1] "Ana" "Bob" "Cak"

> link_attr=edge_attr
> link_attr(g2)
list()
> node_attr=vertex_attr
> node_attr(g2)
$name
[1] "Ana" "Bob" "Cak"
>
</code>