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