17 lines
331 B
Python
17 lines
331 B
Python
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"""
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Layered Area Chart
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------------------
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This example shows a layered area chart.
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"""
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# category: area charts
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import altair as alt
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from vega_datasets import data
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source = data.iowa_electricity()
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alt.Chart(source).mark_area(opacity=0.3).encode(
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x="year:T",
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y=alt.Y("net_generation:Q", stack=None),
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color="source:N"
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)
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