July 2017
Intermediate to advanced
398 pages
11h 54m
Chinese
Content preview from Python数据处理
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展示数据
｜
207
国家：中非共和国
CPI得分：25.338
童工雇用率：28.623
非洲的政府腐败感和童工雇用率
图 10-4：CPI 和童工交互散点图
随着你移动游标到每一个点，
x
和
y
的数据会随之变化。为了优化这个图
表，可以通过输入新的键值对到
data
字典中，添加精确的数据点到
column_
source
对象中。
Bokeh
有一个很好的示例库（
http://bokeh.pydata.org/en/latest/docs/gallery.html
）和可用的代
码来帮助你上手。建议你花些时间在图表上，尝试一下
Bokeh
。
10.2.2
时间相关数据
时间序列和时间线数据展示随时间推移的发现。时序图表展示数据随时间的变化（通常表
现为折线图、柱状图或直方图）。时间线允许你通过标记随着时间推移发生的活动、事件
和变化来直观地讲述数据的故事。
1.
时间序列数据
时间序列展示随时间推移产生的趋势，尤其是当聚焦于一个因素时十分有效。《华尔街日
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.