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1 vote
2 answers
43 views

Altair chart legend for subset of data

As an exercise for learning more advanced altair, I'm trying to generate a simplified version of this chart: https://climatereanalyzer.org/clim/t2_daily/?dm_id=world. To simplify, I'm using gray for ...
Don's user avatar
  • 878
1 vote
0 answers
22 views

Untoggle *all* legend items in an Altair chart in a Jupyter notebook

I'm trying to create a chart with Altair in a Jupyter notebook. It's basically a line-chart of various currency values over time. I included my code below. I can toggle currencies using the legend, ...
luukburger's user avatar
0 votes
1 answer
330 views

Altair - Remove ellipsis ("...") from legend with long strings

Via Python, I am using Altair to plot bar graphs. I was able to move the legend to be at the top, however, it is adding ellipsis (i.e. "...") at the end of each legend because my strings are ...
FFLS's user avatar
  • 564
2 votes
1 answer
1k views

Merge two legends in altair

I have a scatter plot in altair where I am representing a column using both shape and color. I would like to have a single legend with both pieces of information, but instead I am getting two legends, ...
Jsevillamol's user avatar
  • 2,523
2 votes
2 answers
1k views

Change legend number range in Altair plot

I am trying to plot time series data in a kind of "climate stripes plot" using the package Altair. The problem is that I do not know how to change the range in the legend to standardise all ...
Raquel 's user avatar
1 vote
1 answer
1k views

How to label the line from transform_regression using Altair?

The code below creates a regression line; however, the legend defaults to labeling the line as "undefined." How can this regression line be labeled in the legend as "reg-line"? ...
blehman's user avatar
  • 1,950
0 votes
0 answers
498 views

Altair: Mark_rule legends with layered facets and another legend duplicate the legends

I have a bar chart for NPS values with a gradient legend. I'd like to display some static values with a legended mark_rule simultaneously, and finally facet the results. However, I can't find a way to ...
mnordstrom's user avatar
2 votes
1 answer
3k views

Change shape color in an Altair legend

Consider the following code adapted from Altair website. import altair as alt import pandas as pd source = pd.DataFrame({ 'a': ['A', 'B', 'B', 'B', 'E', 'F', 'G', 'H', 'I'], 'b': [28, 55, 43, ...
Alina V's user avatar
  • 119
3 votes
1 answer
1k views

How to Expand All Legend Entries in Altair Plots

Consider the following simple example: import altair as alt from vega_datasets import data alt.Chart(data.cars.url).mark_point().encode( x='Horsepower:Q', y='Miles_per_Gallon:Q', color=...
Alina V's user avatar
  • 119
4 votes
1 answer
11k views

How to add legend to python altair

Can someone please help how to add legend for "Covid-19 Cases" and "Sales Volume" ? In the chart, red is "COVID-19 Cases" and blue is the "Sales Volume". Thanks ...
FoxRiver's user avatar
3 votes
2 answers
12k views

Adding legend to layerd chart in altair

Consider the following example: import altair as alt from vega_datasets import data df = data.seattle_weather() temp_max = alt.Chart(df).mark_line(color='blue').encode( x='...
awakenting's user avatar
3 votes
1 answer
1k views

Can you add a label for "missing data" to a legend for an Altair chart?

I have a heatmap plotted using Altair that includes a colorbar, but the missing data (blank/white) in the heatmap is not labeled on the colorbar. Is there a way to add a separate label to the legend (...
Cari's user avatar
  • 67
0 votes
1 answer
124 views

Size legend disappears when adding selection in scatterplot

This is how the legend must appear: But I am getting this instead: This is my code. When I don't add the selection, the legend appears normal. Am I forgetting to do any binding? input_dropdown = ...
Sarahí Aguilar's user avatar