Questions tagged [altair]
Altair is a declarative statistical visualization library for Python, based on Vega-Lite. It provides a high-level API for creating complex visualizations with minimal code. Please include code and sample data in your question.
altair
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chart objects not showing on the chart using selection containing fields with converted columns from datetime data
I am using Altair to create visualisations based on a local csv file about WW1 bombing incidents.nI tried to make 2 charts: one shows all incidents in the same month, one shows all incidents in the ...
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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 ...
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Calculate new series based on data in filtered altair chart
I have a timeseries dataframe which I'm using to create a heatmap (showing the difference on the most recent observation between the two relevant values) and two line charts -- one showing the series ...
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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 ...
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How to add two side slide button to a line chart based on the year using Altair
i have a line chart that has date as X axis. i want to filter this with a double (two) sided slide button for filtering proposes. So i want to be able to filter the data from starting and end date of ...
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How to move Altair dropdown to under the legend dynamically (for every screen size)
it's been a while that i have done CSS coding so i need help. i want to move the drop down list from under the chart to under the legend. Dataframe:
data = {
'Adj Close': [1.308934, 2.169581, 2....
- 10k
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Undefined colors in Altair plot
I have been making a program in Python with the help of the libraries Altair and Streamlit in order to visualize data on a real time updating dashboard locally. I'll be the first to admit that these ...
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Setting order of categorical columns in Altair histogram
Trying to swap order of columns in histogram.
data = {'Age group': {0: '0 - 4', 1: '12 - 16', 2: '5 - 11', 3: 'not specified'},
'Count': {0: 81.0, 1: 86.0, 2: 175.0, 3: 0.0}}
dp = pd.DataFrame(data)
...
- 7,580
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How to use altair.Data
How to use altair.Data?
This data structure is very opaque to me. I checked the doc, https://altair-viz.github.io/user_guide/generated/core/altair.Data.html, but still not sure what it exactly refers ...
- 565
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Add regression lines to a scatter matrix in Altair [duplicate]
Is there any way to add regression lines to a scatter matrix in Altair? I am trying to add a regression line to a scatter matrix that I create with the following code :
scatter_matrix = (
alt....
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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
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Altair will not display chart in google colab
Receiving the following error when trying to display an interactive network + bar graph using Altair and nx_altair:
Javascript Error: Duplicate signal name: "selector003_x_1"
This usually ...
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How to avoid points being cut off at the edges of the chart
Using the default configuration, points in Altair plots are sometimes cut off at the edges of a chart (here left and top):
Example Altair chart
This is the code that produces the chart:
df = pd....
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How do I change start date of 'week()' to Monday instead of Sunday in altair?
I am relatively new to coding and altair, and I am currently struggling to change the start date of 'week()' to begin on Monday instead of Sunday. As a distance runner, I track my weekly mileage from ...
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Vega-Altair: alt.condition() on color with mark_point() vs. mark_line()
I don't understand why the color=alt.condition() works with mark_point() but not with mark_line() in the example below:
import altair as alt
import numpy as np
import pandas as pd
x=np.arange(100)
...
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