sankey | A D3/Faux-dom/React App to build and read sankey diagrams | Data Visualization library
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kandi X-RAY | sankey Summary
Sankey - D3/REACT App.
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QUESTION
I want to create a nice graph in python, so I used plotly to create a graph, but I get an error.
Maybe because I'm new to plotly
, I don't understand the error in this code.
The only thing I can tell is that my code is wrong.
I want to display multiple graphs in plotly.
ANSWER
Answered 2021-Jun-07 at 03:56According to the documentation on adding traces to subplots, the add_trace
and append_trace
methods only take accept plotly graph_objects
. Therefore, your code block:
QUESTION
I have something like this:
...ANSWER
Answered 2021-Jun-02 at 10:14pd.DataFrame
already stores them in this format, so you just have to do this:
QUESTION
I've build a Sankey diagram using plotly. I want to name the columns giving each one a column title, like the text in red below:
How can I write these column titles?
...ANSWER
Answered 2021-May-29 at 17:42You can use annotations to add text, using x-values of 0, 1, 2
with the xref
set to "x"
, and using y-values of 1.05
with the yref
set to "paper"
as in paper coordinates. This will ensure the annotations are above the plot.
QUESTION
After making my Sankey Diagram work I wanted to change some stuff in the JSON input file, I added two more values to have them displayed when I over a nodes but I run into an issue which leads me here. So, After adding these two values my diagram simply won't work again, first with the two values added it's output the same error in the title here's the code for both
...ANSWER
Answered 2021-May-23 at 15:02The issue was simply a ; missing here .sort(function(a, b) { return b.dy - a.dy; })
but the value still being undefined cause it doesn't read it from the JSON file
QUESTION
I'm trying to plot patient flows between 3 clusters in a Sankey diagram. I have a pd.DataFrame counts
with from-to values, see below. To reproduce this DF, here is the counts
dict that should be loaded into a pd.DataFrame (which is the input for the visualize_cluster_flow_counts function).
ANSWER
Answered 2021-May-23 at 14:41Firstly I don't think there is a way with the current exposed API to achieve your goal smoothly you can check the source code here.
Try to change your find_node_coordinates
function as follows (note that you should pass the counts DataFrame
to):
QUESTION
After making a graph in parallel coordinates, I'm starting now a graph in Sankey Diagram type. So I Looked at this code : https://www.d3-graph-gallery.com/graph/sankey_basic.html and litteraly yanked it to try to understand how it's made to add later some interactions, but in first time I want to use my own data (https://raw.githubusercontent.com/augustin-laurent/Visualization_Tool/master/data.json).
But after changing the input file, I got an error that says the height of the nodes is a negative value :
...ANSWER
Answered 2021-May-14 at 10:27It looks like the Sankey library probably has a bug with node positioning computation.
The problem can be solved by reducing node padding: nodePadding = 5
.
See it's working in the snippet:
QUESTION
I am trying to add custom data to my links and nodes on Sankey Chart. I am referring to plotly's official website .
Using the code available on their website:
...ANSWER
Answered 2021-May-12 at 04:45The customdata
property is valid for a Plotly Sankey Chart graph_object as of the most recent version of Plotly (v4.14.3 at the time of posting this answer), and a description for this property can be found in the latest documentation. Updating plotly to the latest version should resolve the issue.
QUESTION
It's my first time creating a dashboard and I'm running into a problem I can't seem to solve. I have created a sankey diagram and I want to be able to interactively change its contents through different dataframes (in this example: level_1, level_2, level_3). I've only ever practiced this with a regular plot, where the input would come from a variable within one dataframe which is my starting point in this piece of code (e.g. I have a df$country, so I use input$country in my plot --> Then I could choose from different countries in the dashboard sidebar, in order to change the contents of the plot). I have no idea how to do this when the input has to come from seperate dataframes.
My code: (in app.R)
...ANSWER
Answered 2021-May-07 at 08:43If you want to access any input
values in the server you need to use a reactive context. shiny
won't allow you to do otherwise, but even if it did, if an input
value is updated, the server-side code won't update to reflect the change. Since you want both links
and nodes
to be dynamic and both depend on each other, a neat solution might be to store both objects in a list as follows:
QUESTION
I'm working on an R markdown document but am stuck with a "sankey chart" element. The Sankey element works fine in its code, but when I knit markdown the element doesn't show up in the markdown (or is just blank[?]).
Migration flow ...ANSWER
Answered 2021-Apr-26 at 09:40I got it to work. It was headlines -tabset, that was the problem. I edited them and that fixed it
QUESTION
I would very much like to make an illustration like the one in the link:
I have trouble doing it in Python as it creates multiple linked figures which I do not want. My script is:
import plotly.graph_objects as go
ANSWER
Answered 2021-Apr-24 at 13:24Since you are using the Sankey dialog on the official site, I will edit it to show the data structure between the ABs. Simply put, the source is A, the target is B, and the rest is an iteration of that. The additional labels as shown in the link in your question are not available in plotly's sankey dialog as far as I know. You'll have to get creative with the labels. I will add a text based explanation of what I am doing.
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