18 lines
711 B
Python
18 lines
711 B
Python
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"""
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Cumulative Wikipedia Donations
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==============================
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This chart shows cumulative donations to Wikipedia over the past 10 years. Inspired by this `Reddit post <https://www.reddit.com/r/dataisbeautiful/comments/7guwd0/cumulative_wikimedia_donations_over_the_past_10/>`_ but using lines instead of areas.
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"""
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# category: case studies
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import altair as alt
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source = "https://frdata.wikimedia.org/donationdata-vs-day.csv"
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alt.Chart(source).mark_line().encode(
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alt.X('monthdate(date):T', title='Month', axis=alt.Axis(format='%B')),
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alt.Y('max(ytdsum):Q', title='Cumulative Donations', stack=None),
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alt.Color('year(date):O', legend=alt.Legend(title='Year')),
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alt.Order('year(data):O')
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)
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