25 lines
493 B
Python
25 lines
493 B
Python
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"""
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Line Chart with Points
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----------------------
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This chart shows a simple line chart with points marking each value. Use
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``point=True`` for points with default appearance or customize it with
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``OverlayMarkDef()``.
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"""
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# category: line charts
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import altair as alt
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import numpy as np
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import pandas as pd
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x = np.arange(100)
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source = pd.DataFrame({
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'x': x,
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'f(x)': np.sin(x / 5)
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})
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alt.Chart(source).mark_line(
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point=alt.OverlayMarkDef(color="red")
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).encode(
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x='x',
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y='f(x)'
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)
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