November 2023
Intermediate to advanced
512 pages
11h 53m
Chinese
Content preview from 利用 Python 进行数据分析：原书第 3 版
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
436
|
第
13
章
图 13-12：对各党派总出资额最高的职业
数据分析案例
|
437
13.5.2
对出资额进行分桶
另一种实用的分析是根据出资额的大小，利用 cut 函数将数据离散化到多个桶中：
现在可以根据候选人姓名以及分箱标签，对
Obama
和
Romney
的数据进行分组，以得到
资助规模的柱状图：
438
|
第
13
章
从这个数据中可以看出，在小额赞助方面，
Obama
获得的数量比
Romney
多得多。你还
可以对出资额求和并在桶内进行标准化，对两位候选人的各个赞助额度的总额百分比进
行可视化（如图
13-13
所 示 ）：
图 13-13：两位候选人收到的各种捐赠额度的总额比例
数据分析案例
|
439
我排除了两个最大的分箱，因为它们不是由个人赞助的。
还可以通过许多方式对该分析过程做提炼和改进。比如，可以根据赞助人的姓名和邮编 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.