CODEWITHSUNDEEP
rsankey-diagramhtmlwidgetsnetworkd3
Gaurav Goyal
Gaurav Goyal

Reputation: 11

change the color of links in networkD3 sankeyNetwork using R

I have created a sankeyNetwork using in . How can I change the color of flow lines or links? I would like to have the flow lines be the same color as the nodes.

Here is my code:

library(networkD3)
library(xlsx)
links <- read.xlsx("C:/Users/Administrator/Desktop/Book1.xlsx", sheetName = "links")
nodes <- read.xlsx("C:/Users/Administrator/Desktop/Book1.xlsx", sheetName = "nodes")

sankeyNetwork(Links = links, Nodes = nodes, Source = "source", Target = "target", Value = "value", NodeID = "Diagnosis", fontSize = 11, nodeWidth = 15, fontFamily = "arial", iterations = 0)

Upvotes: 1

Views: 1765

Answers (1)

CJ Yetman
CJ Yetman

Reputation: 8848

No one here can reproduce your example because no one but you has access to the Book1.xlsx file that is on your Desktop (read more here about making good reproducible examples). However, the help file for sankeyNetwork() (you can access it by typing ?sankeyNetwork in the R console) documents the LinkGroup argument and gives an example of using it at the bottom.

LinkGroup - character string specifying the groups in the Links. Used to color the links in the network.

library(networkD3)

URL <- paste0('https://cdn.rawgit.com/christophergandrud/networkD3/',
              'master/JSONdata/energy.json')
energy <- jsonlite::fromJSON(URL)

energy$links$energy_type <- sub(' .*', '', energy$nodes[energy$links$source + 1, 'name'])


sankeyNetwork(Links = energy$links, Nodes = energy$nodes, Source = 'source',
              Target = 'target', Value = 'value', NodeID = 'name',
              LinkGroup = 'energy_type')

Upvotes: 4

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