2022-05-23 00:16:32 +04:00

17 lines
336 B
Python

"""
Simple Stacked Area Chart
-------------------------
This example shows how to make a simple stacked area chart.
"""
# category: simple charts
import altair as alt
from vega_datasets import data
source = data.iowa_electricity()
alt.Chart(source).mark_area().encode(
x="year:T",
y="net_generation:Q",
color="source:N"
)