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Ayxan
2022-05-23 00:16:32 +04:00
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"""
Line Chart with Varying Size
----------------------------
This is example of using the ``trail`` marker to vary the size of a line.
"""
# category: line charts
import altair as alt
from vega_datasets import data
source = data.wheat()
alt.Chart(source).mark_trail().encode(
x='year:T',
y='wheat:Q',
size='wheat:Q'
)