列出顶点属性的名称
参见
顶点、边和图属性 delete_edge_attr(), delete_graph_attr(), delete_vertex_attr(), edge_attr(), edge_attr<-(), edge_attr_names(), graph_attr(), graph_attr<-(), graph_attr_names(), igraph-attribute-combination, igraph-dollar, igraph-vs-attributes, set_edge_attr(), set_graph_attr(), set_vertex_attr(), set_vertex_attrs(), vertex_attr(), vertex_attr<-()
示例
g <- make_ring(10) %>%
set_vertex_attr("name", value = LETTERS[1:10]) %>%
set_vertex_attr("color", value = rep("green", 10))
vertex_attr_names(g)
#> [1] "name" "color"
plot(g)
