When using a quantitive x axis the xOffset does not seem to work in altair, i.e. the bars are stacked but I would like to have them next to each other. When encoding the x-axis as ordinal x=alt.X("Genre:O") it works, but the sorting is wrong. Any idea how to solve this?

I have a sample dataframe created using the snippet below

Objective I want to generate a ‘double ended’ barchart, showing gained points (of some metric) vis-a-vis missed points, something like this: Result so far I managed to do this import altair as alt import pandas as pd source = pd.DataFrame( { “cohort”: [“A”, “B”, “C”, “D”, “E”, “F”, “G”, “H”, “I”], “gained”: [28, 55, 43, […]

I want to have two different charts, where in the first I can choose an artist in a legend and in the second chart I want to have a dropdown, that filters a year. In my database I have artists, sales and years (for published albums). The charts work fine by itself, but if I want to show both with a vertical concatination I get a problem. The first chart works as expected but the second graph is completly empty on selecting a year.

I am attemtping to link two graphs together, a geospatial graph of Philladelphia outlining its districts along with a bar chart that shows the amount of complaints against police per district. This is done using Altair and Python.

I have the following facet chart where the order of the facet panels is determined by the column foo. I would like to add a drop-down box where I can select to dynamically update the sort order of the facet panels to be based on either the column foo or the column bar (see attempt below).

I have a dataframe(‘datamining2’) like this.

When I tried to draw the graph of USGS earthquakes using Altair, it always gives me blank graph. Here are my codes