In my concatenated chart, I’m using an interval selection as a filter (see the GIF, Python code, and VL spec below). Even though my selection appears to be empty, my filtered chart still shows some data. What I’d like to achieve is to show the average temperature, for each station, based on the date range selected in the interval selection.
Tag: vega
Altair Ridgeline doesn’t create a plot with nominal groups
I try to create a Ridgeline plot in altair. Let’s assume my dataframe consists of str and float columns: with values like I used code from Altair gallery to create my chart: https://altair-viz.github.io/gallery/ridgeline_plot.html. My code with changed data and column names: When I use row=alt.Row(‘a:T’…) it thinks my data is temporal month, but works fine: But when I change type