All Questions
106
questions
0
votes
1
answer
62
views
Using a list of colors for a bar chart in Altair
I am trying to provide a list of colors to bind to the bar marks in Altair, similar to how matplotlib's pyplot.bar(color=list_of_colors) can specify the color for each individual bar, like in the ...
- 221
0
votes
1
answer
97
views
Altair choropleth not rendering in streamlit app on Snowflake and color coding problem
I am trying to make a choropleth map in a streamlit app on Snowflake.
Outside of snowflake, I can use the following code to render a map where just one county in Alabama is color coded.
import ...
- 103
0
votes
0
answers
57
views
Get interval selection for a Vega-Altair plot published in streamlit
How can I get the selected datapoints for a Vega-Altair plot publihsed using Streamlit?
I am defining the box selection for selecting datapoints, and it works well. However i am unable to get the ...
- 185
1
vote
0
answers
104
views
How to specify different colors for column labels in altair
Is there a way to specify different colors for column labels with python altair? Take the grouped bar chart example where bars are grouped using the column encode option. I would like to specify ...
- 245
3
votes
3
answers
380
views
Enable x-zoom in altair chart
I'd like to be able to zoom into my time series in altair. I understand that this is currently still work in progress, but I hoped to be able to circumvent this restriction by the following idea
...
- 1,089
1
vote
1
answer
62
views
Sorting an Altair Ridgeline Plot
Here is an example of an Altair Ridgeline Plot. Source:Altair Gallery. How do I sort the ridgeline plot by the max height or area of each ridge in descending order? Is that possible? I want to show ...
- 11
0
votes
2
answers
79
views
How can we make this qubit heatmap in Vega spec
I want to create this type of hexagonal heatmap, but can't seem to find this anywhere.
Heat map
I tried to make it but no luck.
here's my vega spec :
{
"$schema": "https://vega....
0
votes
0
answers
63
views
How do I use the selection_single method from the Vega Altair library to change the size of a selected image?
I'm using Vega Altair to generate an interactive chart and I would like for the user to be able to select an image in the chart, which is then enlarged and not see through. Below you can find the ...
3
votes
1
answer
52
views
In altair, delete extra grid space
Given the following code:
background = alt.Chart(pd.DataFrame({'start': [0, 6, 14, 20],'end': [6, 14, 20, 23],'time_of_day':['NIGHT','MORNING','AFTERNOON','NIGHT']})).mark_rect().encode(
x=alt.X('...
- 31
0
votes
0
answers
215
views
Altair Jupyterchart error 'Failed to load model class 'AnyModel' from module 'anywidget'
Trying to use the latest Jupyterchart feature from altair library. But getting error as below.
Altair Jupyterchart error ->'Failed to load model class 'AnyModel' from module 'anywidget'. Error: No ...
1
vote
0
answers
105
views
Including a color scheme when passing color as a dict Altair
How do I add a color scheme to the first condition (instead of 'red')?
The code below works as intended. I have had to write in dictionary form for it to work:
cutoff = 10
color_data = 'RME' #(RME is ...
- 11
1
vote
1
answer
50
views
What will be the pandas equivalent of the following altair transformation?
I've been trying to create a parallel set chart with the help of altair, but am unable to understand what the below mentioned code means, esp. the transform_window function. I've looked up the ...
- 11
0
votes
0
answers
181
views
Circular dendrogram with Altair
I'm trying to build a circular dendrogram with Python.
This example from Vega is perfect: https://vega.github.io/vega/examples/radial-tree-layout/
But after several days, I've been unable to reproduce ...
- 1,840
1
vote
0
answers
52
views
Vconcat of separate FacetCharts do not have aligned grids - how to get them to align?
I want to plot a grid of plots, with the faceted row and columns determined by different variables. I would like to use a single FacetChart for this, but because the rows contain different variables ...
- 11
0
votes
0
answers
265
views
"Header size too large" when trying to render chart JSON passed from Python backend to JS frontend
As the title states, I am creating a full-stack dashboard where I do some Python data analysis and then visualization using Altair on the backend and then design the dashboard with React on the front-...
- 43