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51 lines
2.1 KiB
Python
51 lines
2.1 KiB
Python
"""
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Compact Trellis Grid of Bar Charts
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==================================
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This example shows a simple grid of bar charts to compare performance data..
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"""
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# category: bar charts
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import altair as alt
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import pandas as pd
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source = pd.DataFrame(
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[
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{"a": "a1", "b": "b1", "c": "x", "p": "0.14"},
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{"a": "a1", "b": "b1", "c": "y", "p": "0.60"},
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{"a": "a1", "b": "b1", "c": "z", "p": "0.03"},
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{"a": "a1", "b": "b2", "c": "x", "p": "0.80"},
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{"a": "a1", "b": "b2", "c": "y", "p": "0.38"},
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{"a": "a1", "b": "b2", "c": "z", "p": "0.55"},
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{"a": "a1", "b": "b3", "c": "x", "p": "0.11"},
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{"a": "a1", "b": "b3", "c": "y", "p": "0.58"},
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{"a": "a1", "b": "b3", "c": "z", "p": "0.79"},
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{"a": "a2", "b": "b1", "c": "x", "p": "0.83"},
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{"a": "a2", "b": "b1", "c": "y", "p": "0.87"},
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{"a": "a2", "b": "b1", "c": "z", "p": "0.67"},
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{"a": "a2", "b": "b2", "c": "x", "p": "0.97"},
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{"a": "a2", "b": "b2", "c": "y", "p": "0.84"},
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{"a": "a2", "b": "b2", "c": "z", "p": "0.90"},
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{"a": "a2", "b": "b3", "c": "x", "p": "0.74"},
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{"a": "a2", "b": "b3", "c": "y", "p": "0.64"},
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{"a": "a2", "b": "b3", "c": "z", "p": "0.19"},
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{"a": "a3", "b": "b1", "c": "x", "p": "0.57"},
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{"a": "a3", "b": "b1", "c": "y", "p": "0.35"},
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{"a": "a3", "b": "b1", "c": "z", "p": "0.49"},
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{"a": "a3", "b": "b2", "c": "x", "p": "0.91"},
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{"a": "a3", "b": "b2", "c": "y", "p": "0.38"},
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{"a": "a3", "b": "b2", "c": "z", "p": "0.91"},
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{"a": "a3", "b": "b3", "c": "x", "p": "0.99"},
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{"a": "a3", "b": "b3", "c": "y", "p": "0.80"},
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{"a": "a3", "b": "b3", "c": "z", "p": "0.37"},
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]
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)
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alt.Chart(source, width=60, height=alt.Step(8)).mark_bar().encode(
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y=alt.Y("c:N", axis=None),
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x=alt.X("p:Q", title=None, axis=alt.Axis(format="%")),
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color=alt.Color(
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"c:N", title="settings", legend=alt.Legend(orient="bottom", titleOrient="left")
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),
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row=alt.Row("a:N", title="Factor A", header=alt.Header(labelAngle=0)),
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column=alt.Column("b:N", title="Factor B"),
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)
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