networkD3 | D3 JavaScript Network Graphs from R | Networking library
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kandi X-RAY | networkD3 Summary
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networkD3 Examples and Code Snippets
Community Discussions
Trending Discussions on networkD3
QUESTION
I am dealing with a big network (1k + nodes, 1M+ connections) and I would like to set a custom initial zoom, since the standard zoom only focusses a few nodes and takes a lot of time to achieve de aimed proportion (where I can see the whole network).
Here is my code:
...ANSWER
Answered 2022-Mar-25 at 15:09Here's a minimized, reproducible example of setting a scale value on render...
QUESTION
Is there any way to freeze the layout with forceNetwork()
in the {networkD3} lib?
This is taking me a lot of time, because of the number of nodes that my network has. I just need to stop the animation. I found something here, but didn't solve my problem.
Here is part of my code:
...ANSWER
Answered 2022-Mar-24 at 19:18You could stop the simulation, run forward through the ticks without updating the positions (effectively the "animation"), and then restart the simulation so the nodes' positions are updated...
QUESTION
I am using sankeyNetwork()
from the networkD3
package for visualizing some data. I was wondering if theres a way to "isolate" a branch from start to finish, ignoring the irrelevant links.
Example: I've got this: SankeyGot
And I want to extract this: SankeyWant
reproducible example:
...ANSWER
Answered 2022-Mar-14 at 17:16If you code sankeyNetwork as an object you can use str(object) to identify it as a list, with a matrix called x
that holds your input df
list_sankey <- sankeyNetwork(Links = links, Nodes = nodes, Source = "source", Target = "target", Value = "value", NodeID = "names", iterations = 64, sinksRight = F, fontSize = 14)
str(list_sankey)
You can then filter the x
matrix to only contrain your desired input source
and output target
nodes
list_sankey_filter <- list_sankey
list_sankey_filter$x$links <- list_sankey_filter$x$links %>% filter(source %in% c(4, 2, 0), target %in% c(4, 2, 0, 10))
This then gives you the object below.
QUESTION
Hi I am creating a sankey diagram to show migration. One aspect I am facing issues with is how to deal with scenarios when status doesn't change i.e. migration doesn't happen. In such scenarios, the sankey is circling back to same source, creating a circle rather than using a 'source- target' layout where both source destination is separate. I'd like to see something like
instead of following which I'm seeing now
Following is a reproducible example- I appreciate any assistance with this
...ANSWER
Answered 2022-Mar-11 at 19:56Every node you want to see in the plot has to be uniquely identified in your nodes data.frame. If you want some unique nodes to share the same label, you can add a column to the nodes data.frame for the label and specify it to the NodeID
argument... those do not need to be unique.
QUESTION
I'm creating a sankey chart in R with networkD3::sankeyNetwork()
with the below sample data and script. I want to show percentage besides the node label.
the sankey with full dataset i create has 8 layers. i just post piece of data in below code.
...ANSWER
Answered 2022-Mar-02 at 09:42You can add variables to the nodes
data.frame after the htmlwidget is created (otherwise, sankeyNetwork()
will only keep the required columns). Then you can edit the custom code for the text of the node labels to include the percentage...
QUESTION
I built a Sankey diagram in R using networkD3
package and I wanted to add text-shadow to the node labels. Actually, what I need is for the text to be in some way outlined because my original data is very complex and some of the text gets confused with the "lines" connecting the nodes. This was the approach I found on StackOverflow that should work fine, but if anyone has any other idea, I am open for new approaches.
I found a question whose implementation seems to be very similar to mine: Bold text in R using networkD3 package
But when I try the same approach, nothing happens.
A generic data would be:
...ANSWER
Answered 2022-Mar-01 at 19:20To apply CSS styles, you need to use .style()
instead of .attr()
...
QUESTION
example code to create a Sankey chart with networkD3::sankeyNetwork()
...
ANSWER
Answered 2022-Feb-25 at 12:06The jsCode
argument of htmlwidgets::onRender()
is a string/character vector that contains valid JavaScript.
QUESTION
Here is example code that I use to make a Sankey chart using networkD3::sankeyNetwork()
ANSWER
Answered 2022-Feb-25 at 08:29Add a column to your links
data.frame that will specify the group for each link (in your case, they will all be in the same group). Then add a custom color scale command that will specify "blue" for that group. Then tell the sankeyNetwork()
function the name of the column in your links
data.frame that specifies the link group and pass it you custom colorScale
.
QUESTION
I am trying to have produce a shiny application in which a Sankey plot, produced using NetworkD3, dynamically produces x-node labels. I think this requires passing a reactive element to onRender
, but I am not sure how to do this.
I see an answer here: How to add columnn titles in a Sankey chart networkD3, but this solves the dynamic naming by calling .text("Step " + (i + 1));
in the onRender
function. My labels are not so generic that I can just iterate and paste (the example below uses simplified names).
Here is an example:
...ANSWER
Answered 2022-Feb-11 at 06:55The jsCode
argument of htmlwidgets::onRender()
is simply a character vector that happens to contain valid JavaScript code, so you can build/modify that just as you can any other string in R. If you want to set the array values of the var labels = ["A", "B", "C"];
line of the JavaScript dynamically, you could do something like this...
QUESTION
I'm making a Sankey diagram using the networkD3 package, I have included my code below. I want to add a title, footnotes, and label both the left side and right side of the diagram. But I'm not sure how to do this as networkD3 has no built in labeling commands
...ANSWER
Answered 2022-Jan-29 at 01:22You can use the libraries htmlwidgets
and htmltools
to add content to this diagram.
For example, if you wanted to add a title:
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