Faceted Stacked Bar Chart

A horizontal stacked bar chart using barley crop yield data. The chart is horizontally faceted based on the year, and vertically faceted based on variety.

Method syntax

import altair as alt
from altair.datasets import data

source = data.barley()

alt.Chart(source).mark_bar().encode(
    column="year:O",
    x="yield",
    y="variety",
    color="site",
).properties(width=220)

Attribute syntax

import altair as alt
from altair.datasets import data

source = data.barley()

alt.Chart(source).mark_bar().encode(
    column="year:O",
    x="yield",
    y="variety",
    color="site",
).properties(width=220)
# No channel encoding options are specified in this chart
# so the code is the same as for the method-based syntax.