Trellis Stacked Bar Chart#
This is an example of a horizontal stacked bar chart using data which contains crop yields over different regions and different years in the 1930s.
import altair as alt
from vega_datasets import data
source = data.barley()
alt.Chart(source).mark_bar().encode(
column='year',
x='yield',
y='variety',
color='site'
).properties(width=220)