当我绘制与制图网络图,像下面的例子玩具...如何使用图解器最小化边缘交叉点的数量,R?
library(DiagrammeR)
Dia <- function(edg, nodesd) {
nodes <- create_node_df( n=length(nodesd), label=nodesd,
width=0.3)
edges <- create_edge_df(from = edg$EveFrom, to = edg$EveTo,
rel = "leading_to")
graph <- create_graph( nodes_df = nodes, edges_df = edges)
render_graph(graph)
}
niv <- c("A","B","C","D","E","X","Y")
temp <- data.table(EveFrom=factor(c("A","A","A","A","B","C","D","E",
"X", "B"), levels=niv),
EveTo=factor(c("B","C","D","E","X","X","Y","Y","Y", "C"), levels=niv))
Dia(temp,niv)
我怎么能告诉制图到自动最小化边交叉的次数?
在这个简单的例子,如果C和B的位置被交换的结果不会有任何边缘交叉。 在更复杂的示例中,我们无法删除所有交叉点,但至少将其最小化。
随着visnetwork我可以重新定位节点
但它有其他缺点,例如,它不会让你将其导出为矢量图形。
是否也可以模仿我的visnetwork结果呢? (例如,在每个边上添加标签或更改边缘宽度) – skan
10标签:是,在'create_edge_df'(字符串向量)中添加'label'参数。 – bergant
宽度:使用'penwidth' = 3例如 – bergant