Python教程59：Altair实现交互式数据可视化

pip安装altair

如果下载速度慢，可以使用教育网 下载地址

pip install altair vega_datasets -i https://pypi.tuna.tsinghua.edu.cn/simple

import altair as altimport pandas as pddf = pd.read_csv('https://anvil.works/blog/img/plotting-in-python/uk-election-results.csv')df

brush = alt.selection_interval()alt.Chart(df).mark_point().encode(    x='year:Q',    y='liberal:Q',    color=alt.condition(brush, 'others:N', alt.value('lightgray'))).add_selection(    brush)

alt.Chart(df).mark_bar().encode(    y='others:N',    color='year:N',    x='count(labour):Q')

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