RnetworkD3Sankey图的左右沉没？

问题描述

我试图借助此页面生成Sankey图： https://www.r-graph-gallery.com/321-introduction-to-interactive-sankey-diagram-2.html

现在，我稍稍修改了数据，想知道我是否可以向右和向左下沉节点，即，顶部节点始终在左侧（对齐），而最后节点始终在右侧。看来networkd3仅具有完全正确的选项。

使用以下代码：

library(networkD3)
library(dplyr)
 
# A connection data frame is a list of flows with intensity for each flow
links <- data.frame(
  source=c("group_A","group_B","group_C","group_C"),target=c("group_D","group_F","group_G"),value=c(3,4,3,1)
  )
 
# From these flows we need to create a node data frame: it lists every entities involved in the flow
nodes <- data.frame(
  name=c(as.character(links$source),as.character(links$target)) %>% unique()
)
 
# With networkD3,connection must be provided using id,not using real name like in the links dataframe.. So we need to reformat it.
links$IDsource <- match(links$source,nodes$name)-1 
links$IDtarget <- match(links$target,nodes$name)-1
 
# Make the Network
p <- sankeyNetwork(Links = links,Nodes = nodes,Source = "IDsource",Target = "IDtarget",Value = "value",NodeID = "name",fontSize=20)
p

给我这个输出：

Sankey Plot

看起来已经很有希望，但是我想将group_A移到左侧（同时保持右侧对齐）。这可能吗？

解决方法

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networkd3 r r sankey-diagram