EVOLUTION-MANAGER
Edit File: edge_attr.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Query edge attributes of a graph</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="R.css" /> </head><body> <table width="100%" summary="page for edge_attr {igraph}"><tr><td>edge_attr {igraph}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Query edge attributes of a graph</h2> <h3>Description</h3> <p>Query edge attributes of a graph </p> <h3>Usage</h3> <pre> edge_attr(graph, name, index = E(graph)) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>graph</code></td> <td> <p>The graph</p> </td></tr> <tr valign="top"><td><code>name</code></td> <td> <p>The name of the attribute to query. If missing, then all edge attributes are returned in a list.</p> </td></tr> <tr valign="top"><td><code>index</code></td> <td> <p>An optional edge sequence, to query edge attributes for a subset of edges.</p> </td></tr> </table> <h3>Value</h3> <p>The value of the edge attribute, or the list of all edge attributes if <code>name</code> is missing. </p> <h3>See Also</h3> <p>Other graph attributes: <code><a href="delete_edge_attr.html">delete_edge_attr</a>()</code>, <code><a href="delete_graph_attr.html">delete_graph_attr</a>()</code>, <code><a href="delete_vertex_attr.html">delete_vertex_attr</a>()</code>, <code><a href="edge_attr-set.html">edge_attr<-</a>()</code>, <code><a href="edge_attr_names.html">edge_attr_names</a>()</code>, <code><a href="graph_attr-set.html">graph_attr<-</a>()</code>, <code><a href="graph_attr_names.html">graph_attr_names</a>()</code>, <code><a href="graph_attr.html">graph_attr</a>()</code>, <code><a href="igraph-dollar.html">igraph-dollar</a></code>, <code><a href="igraph-vs-attributes.html">igraph-vs-attributes</a></code>, <code><a href="set_edge_attr.html">set_edge_attr</a>()</code>, <code><a href="set_graph_attr.html">set_graph_attr</a>()</code>, <code><a href="set_vertex_attr.html">set_vertex_attr</a>()</code>, <code><a href="vertex_attr-set.html">vertex_attr<-</a>()</code>, <code><a href="vertex_attr_names.html">vertex_attr_names</a>()</code>, <code><a href="vertex_attr.html">vertex_attr</a>()</code> </p> <h3>Examples</h3> <pre> g <- make_ring(10) %>% set_edge_attr("weight", value = 1:10) %>% set_edge_attr("color", value = "red") g plot(g, edge.width = E(g)$weight) </pre> <hr /><div style="text-align: center;">[Package <em>igraph</em> version 1.3.5 <a href="00Index.html">Index</a>]</div> </body></html>